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HH563-18 - CAR RENTAL SERVICES (PVT) LTD T/A AVIS RENT A CAR vs BERNARD CHISWA and SHAILLON CHISWA

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Law of Contract-viz contract of hire.
Law of Contract-viz debt re contractual debt iro vehicle hire charges.
Procedural Law-viz cause of action re proceedings involving mentally challenged persons iro curator ad litem.
Procedural Law-viz cause of action re proceedings involving mentally incapacitated persons iro curator ad litem.
Procedural Law-viz final orders re the principle of finality in litigation iro sitting on an interim interdict.
Procedural Law-viz final orders re the principle of finality to litigation iro sitting on a provisional order.
Procedural Law-viz pleadings re withdrawal of pleadings iro withdrawal of claim.
Law of Contract-viz essential elements re consensus ad idem iro contracting with mentally challenged individuals.
Law of Contract-viz essential elements re consensus ad idem iro contracting with mentally incapacitated individuals.
Law of Contract-viz debt re acknowledgement of debt iro assumption of liability.
Procedural Law-viz rules of evidence re evidence on behalf of a corporate entity iro institutional memory.
Procedural Law-viz rules of evidence re expert evidence iro psychiatric evaluation.
Procedural Law-viz rules of evidence re corroborative evidence.
Procedural Law-viz rules of evidence re documentary evidence.
Law of Contract-viz essential elements re consensus ad idem iro undue influence.
Law of Contract-viz essential elements re consensus ad idem iro duress.
Procedural Law-viz rules of evidence re signatures iro the caveat subscriptor rule.
Procedural Law-viz written documents re the caveat subscriptor rule iro duress.
Procedural Law-viz signatures re the caveat subscriptor rule iro undue influence.
Procedural Law-viz judicial directives.
Procedural Law-viz directions of the court re judicial directive to filing written submissions.
Legal Practitioners-viz professional ethics.
Procedural Law-viz rules of evidence re onus iro burden of proof.
Procedural Law-viz rules of evidence re onus iro standard of proof.
Procedural Law-viz rules of evidence re findings of fact made by the trial court.
Procedural Law-viz rules of evidence re expert evidence iro limited expert knowledge of the court.
Procedural Law-viz rules of evidence re findings of fact iro witness testimony.
Procedural Law-viz rules of evidence re unchallenged evidence.
Procedural Law-viz rules of evidence re undisputed averments.
Procedural Law-viz rules of evidence re uncontroverted submissions.
Procedural Law-viz nullity of acts.
Law of Contract-viz variation of agreements re novation.
Law of Contract-viz alteration of contracts re novation.

Final Orders re: Principle of Finality in Litigation, Decree of Perpetual Silence, Sitting on Judgments & Superannuation


The plaintiff issued summons against the defendants claiming payment of US$13,868=90 for car rental charges due to the plaintiff and interest thereon at the rate of 3.5% from 1 April 2016 to date of full payment.

The undisputed facts are that the first defendant entered into a car hire agreement with the plaintiff in October 2015. In terms of the agreement, he was issued with a motor vehicle, a Ford Everest, that he used and was expected to make payments. He failed to do so until the motor vehicle was withdrawn from him.

The plaintiff had to seek the services of the police for the first defendant to return the motor vehicle. The plaintiff laid criminal charges against the first defendant. The second defendant, a sister to the first defendant, offered to settle the debt and the criminal charges were withdrawn.

In due course, the second defendant withdrew the offer to settle the debt. It is then that the summons was issued. The second defendant applied for the appointment of a curator ad litem over the first defendant.

On 17 March 2017 a provisional order was granted. No final order was sought by the second defendant.

Pleadings re: Withdrawal of Pleadings, Admissions, Proceedings or Claims


The plaintiff issued summons against the defendants claiming payment of US$13,868=90 for car rental charges due to the plaintiff and interest thereon at the rate of 3.5% from 1 April 2016 to date of full payment.

The undisputed facts are that the first defendant entered into a car hire agreement with the plaintiff in October 2015. In terms of the agreement, he was issued with a motor vehicle, a Ford Everest, that he used and was expected to make payments. He failed to do so until the motor vehicle was withdrawn from him.

The plaintiff had to seek the services of the police for the first defendant to return the motor vehicle. The plaintiff laid criminal charges against the first defendant. The second defendant, a sister to the first defendant, offered to settle the debt and the criminal charges were withdrawn.

In due course, the second defendant withdrew the offer to settle the debt. It is then that the summons was issued. The second defendant applied for the appointment of a curator ad litem over the first defendant.

On 17 March 2017 a provisional order was granted. No final order was sought by the second defendant.

As a result of the appointment of the curator ad litem persona the plaintiff withdrew its claim against the first defendant.

This trial therefore relates to the second defendant only.

Cause of Action re: Suits or Proceedings Involving Persons Under Disability, Minors and the Presumption of Doli Incapax


The plaintiff issued summons against the defendants claiming payment of US$13,868=90 for car rental charges due to the plaintiff and interest thereon at the rate of 3.5% from 1 April 2016 to date of full payment.

The undisputed facts are that the first defendant entered into a car hire agreement with the plaintiff in October 2015. In terms of the agreement, he was issued with a motor vehicle, a Ford Everest, that he used and was expected to make payments. He failed to do so until the motor vehicle was withdrawn from him.

The plaintiff had to seek the services of the police for the first defendant to return the motor vehicle. The plaintiff laid criminal charges against the first defendant. The second defendant, a sister to the first defendant, offered to settle the debt and the criminal charges were withdrawn.

In due course, the second defendant withdrew the offer to settle the debt. It is then that the summons was issued. The second defendant applied for the appointment of a curator ad litem over the first defendant.

On 17 March 2017 a provisional order was granted. No final order was sought by the second defendant.

As a result of the appointment of the curator ad litem persona the plaintiff withdrew its claim against the first defendant.

This trial therefore relates to the second defendant only.

Variation of Contracts re: Deed of Settlement, Compromise Agreement iro Waiver, the Presumption Against Waiver & Estoppel


The plaintiff issued summons against the defendants claiming payment of US$13,868=90 for car rental charges due to the plaintiff and interest thereon at the rate of 3.5% from 1 April 2016 to date of full payment.

The undisputed facts are that the first defendant entered into a car hire agreement with the plaintiff in October 2015. In terms of the agreement, he was issued with a motor vehicle, a Ford Everest, that he used and was expected to make payments. He failed to do so until the motor vehicle was withdrawn from him.

The plaintiff had to seek the services of the police for the first defendant to return the motor vehicle. The plaintiff laid criminal charges against the first defendant. The second defendant, a sister to the first defendant, offered to settle the debt and the criminal charges were withdrawn.

In due course, the second defendant withdrew the offer to settle the debt. It is then that the summons was issued. The second defendant applied for the appointment of a curator ad litem over the first defendant.

On 17 March 2017 a provisional order was granted. No final order was sought by the second defendant.

As a result of the appointment of the curator ad litem persona the plaintiff withdrew its claim against the first defendant.

This trial therefore relates to the second defendant only.

At the pre-trial conference meeting held after the withdrawal of charges against the first defendant the parties agreed that the following issues would determine the case;

1. Whether or not the agreement entered into between the first defendant and the plaintiff was valid.

2. Whether the obligation assumed by the second defendant in an acknowledgement of debt and payment plan dated 2 March 2016 is valid and binding.

The plaintiff led evidence through two witnesses.

Trevor Chakawata “Trevor” gave evidence first; he is the Operation Manager at plaintiff company.

He said the first defendant,, Bernard, entered into a monthly rental contract of a motor vehicle in October 2015 with the plaintiff. Payments were done on a monthly basis. Bernard went to Binga in December 2015. He wanted to make a pre-payment but the network was down; no payment was made. While in Binga, Bernard was reminded of the unpaid bill; he advised Trevor to use his credit card he had left with the plaintiff to pay off the amount due, however, the credit card was blocked. Trevor said he communicated with Bernard on the phone by voice calls and text messages. When the payment was not made, Trevor advised Bernard to return the car. Bernard promised to do so but did not return the car. He then reported the matter to the police. He advised Bernard of the police report; Bernard was surprised at this turn of events as he questioned why the matter was reported yet he was a reliable customer.

The police communicated with Bernard who promised to return the car in a week's time. He did not. The police then opened a docket.

Trevor then advised Bernard that the matter had been handed over to the police. Bernard came to Harare in February 2016. He advised the police that he had returned the car and promised to settle the bill the following day. On the following day he did not turn up at the police station where Bernard and Trevor were supposed to meet. Trevor and the policeman went to his residence where they were referred to Mr Chanakira, who also referred them to Mrs Chanakira. They called Mrs Chanakira who agreed to meet them in Eastlea. At the meeting, after being told about the case, Mrs Chanakira, the second defendant, advised them that Bernard had a mental problem. When the policeman advised her of the criminal charges against Bernard and how the police deal with mentally ill accused persons, Mrs Chanakira offered to settle the bill.

Trevor said he advised her to put the offer in writing. This was done. In terms of that offer, she was to pay $1,000 a month from March 2016 until the debt was fully paid. She did not pay anything.

Initially, on being asked about the payment, she said she was in South Africa. However, later, Mr Chanakira called Trevor and said they should leave Mrs Chanakira but pursue Bernard who was well and was selling cell phones in town. Eventually, Mrs Chanakira withdrew the offer to settle the bill.

Trevor denied that at the time of contracting, Bernard was mentally incapacitated. He said Bernard knew that every month end he was supposed to pay - and he did. The car that he hired, a Ford Everest, is a unique car such that if one is of an unsound mind he could not drive it - but he did. In December, he was double billed and he was able to pick it; this cannot be done by a mentally incapacitated person.

He also said the acknowledgement of debt by Mrs Chanakira was valid because she offered to pay the debt. The acknowledgement of debt was drafted by her lawyers.

Mrs Chanakira asked them to leave Bernard she would pay the debt. The police could not confirm Bernard's mental capacity through their processes because Mrs Chanakira undertook to pay the debt.

Under cross examination, he said he saw Bernard when he signed the initial agreement and he looked normal. He also said a report from Parirenyatwa Annex Hospital indicated that Bernard had a history of mental disorder. He was not sure why the matter was withdrawn against Bernard. 

He confirmed that the undertaking was made on the understanding that Bernard was mentally unstable....,.

The court, in Leader Tread Zimbabwe (Pvt) Ltd v Smith HH131-03, cited the sentiments of L.R CARIEY in Law of Novation…, that;

“A compromise (transactio) is a novation, with a difference, however, that a novation on an invalid contract in itself is invalid, but, if a compromise is made about a contract the validity of which is in doubt, this cannot be upset on the ground that the contract which was compromised was invalid; the purpose is to replace uncertainty with certainty.

It is a novation designed to effect settlement of a dispute and may be arrived at by novation in the narrower sense of the word or by delegation.”...,.

Delegation is a form of novation in which, by agreement between all parties concerned, a third party is introduced as debtor in substitution of the original debtor, who is discharged; R H CHRISTIE in Business Law in Zimbabwe, 1998…,.

Documentary Evidence re: Caveat Subscriptor Rule and Recorded Intent: Unsigned Documents and Active Intent iro Approach


The plaintiff issued summons against the defendants claiming payment of US$13,868=90 for car rental charges due to the plaintiff and interest thereon at the rate of 3.5% from 1 April 2016 to date of full payment.

The undisputed facts are that the first defendant entered into a car hire agreement with the plaintiff in October 2015. In terms of the agreement, he was issued with a motor vehicle, a Ford Everest, that he used and was expected to make payments. He failed to do so until the motor vehicle was withdrawn from him.

The plaintiff had to seek the services of the police for the first defendant to return the motor vehicle. The plaintiff laid criminal charges against the first defendant. The second defendant, a sister to the first defendant, offered to settle the debt and the criminal charges were withdrawn.

In due course, the second defendant withdrew the offer to settle the debt. It is then that the summons was issued. The second defendant applied for the appointment of a curator ad litem over the first defendant.

On 17 March 2017 a provisional order was granted. No final order was sought by the second defendant.

As a result of the appointment of the curator ad litem persona the plaintiff withdrew its claim against the first defendant.

This trial therefore relates to the second defendant only.

At the pre-trial conference meeting held after the withdrawal of charges against the first defendant the parties agreed that the following issues would determine the case;

1. Whether or not the agreement entered into between the first defendant and the plaintiff was valid.

2. Whether the obligation assumed by the second defendant in an acknowledgement of debt and payment plan dated 2 March 2016 is valid and binding.

The plaintiff led evidence through two witnesses.

Trevor Chakawata “Trevor” gave evidence first; he is the Operation Manager at plaintiff company.

He said the first defendant,, Bernard, entered into a monthly rental contract of a motor vehicle in October 2015 with the plaintiff. Payments were done on a monthly basis. Bernard went to Binga in December 2015. He wanted to make a pre-payment but the network was down; no payment was made. While in Binga, Bernard was reminded of the unpaid bill; he advised Trevor to use his credit card he had left with the plaintiff to pay off the amount due, however, the credit card was blocked. Trevor said he communicated with Bernard on the phone by voice calls and text messages. When the payment was not made, Trevor advised Bernard to return the car. Bernard promised to do so but did not return the car. He then reported the matter to the police. He advised Bernard of the police report; Bernard was surprised at this turn of events as he questioned why the matter was reported yet he was a reliable customer.

The police communicated with Bernard who promised to return the car in a week's time. He did not. The police then opened a docket.

Trevor then advised Bernard that the matter had been handed over to the police. Bernard came to Harare in February 2016. He advised the police that he had returned the car and promised to settle the bill the following day. On the following day he did not turn up at the police station where Bernard and Trevor were supposed to meet. Trevor and the policeman went to his residence where they were referred to Mr Chanakira, who also referred them to Mrs Chanakira. They called Mrs Chanakira who agreed to meet them in Eastlea. At the meeting, after being told about the case, Mrs Chanakira, the second defendant, advised them that Bernard had a mental problem. When the policeman advised her of the criminal charges against Bernard and how the police deal with mentally ill accused persons, Mrs Chanakira offered to settle the bill.

Trevor said he advised her to put the offer in writing. This was done. In terms of that offer, she was to pay $1,000 a month from March 2016 until the debt was fully paid. She did not pay anything.

Initially, on being asked about the payment, she said she was in South Africa. However, later, Mr Chanakira called Trevor and said they should leave Mrs Chanakira but pursue Bernard who was well and was selling cell phones in town. Eventually, Mrs Chanakira withdrew the offer to settle the bill.

Trevor denied that at the time of contracting, Bernard was mentally incapacitated. He said Bernard knew that every month end he was supposed to pay - and he did. The car that he hired, a Ford Everest, is a unique car such that if one is of an unsound mind he could not drive it - but he did. In December, he was double billed and he was able to pick it; this cannot be done by a mentally incapacitated person.

He also said the acknowledgement of debt by Mrs Chanakira was valid because she offered to pay the debt. The acknowledgement of debt was drafted by her lawyers.

Mrs Chanakira asked them to leave Bernard she would pay the debt. The police could not confirm Bernard's mental capacity through their processes because Mrs Chanakira undertook to pay the debt.

Under cross examination, he said he saw Bernard when he signed the initial agreement and he looked normal. He also said a report from Parirenyatwa Annex Hospital indicated that Bernard had a history of mental disorder. He was not sure why the matter was withdrawn against Bernard. He confirmed that the undertaking was made on the understanding that Bernard was mentally unstable.

The second witness was Constable Nelson Mungati whose evidence was to the following effect;

He is a member of the Zimbabwe Republic Police with fifteen years in service stationed at R.G. Mugabe Airport. He received a report in this case and opened a docket. He phoned Bernard who indicated he was stuck in Gokwe but will return the car. On 7 February 2016 Bernard phoned him advising that he had returned the car. This was confirmed by Trevor Chakawata (Trevor).

When the bill remained unsettled he proceeded to Bernard's residence in the company of Trevor. They were referred to Mr Chanakira who referred them to Mrs Chanakira. They arranged to meet. When they met, he advised Mrs Chanakira about the investigations. She advised him that Bernard was of an unsound mind and offered to settle the bill. It took some time for the acknowledgment of debt to be drawn up; when it was submitted he advised his superiors. He was advised to check at Parirenyatwa Annex Hospital if the history is documented. He made a formal request for the report; he did not get it but was given a record that showed that Bernard was detained some time at the hospital.

Under cross examination he said, from his physical appearance, Bernard did not exhibit signs of mental incapacity. He said after explaining the process of dealing with mentally incapacitated persons to Mrs Chanakira, Mrs Chanakira offered to settle the bill to save Bernard from incarceration. He then summarised the docket and closed it.

Eventually, he learnt that Bernard had been hospitalized. The plaintiff then closed its case.

The second defendant, 'Shaillon' (Mrs Chanakira), called two witnesses in evidence. She gave evidence first.

She is Bernard's brother and she was staying with him. On a date she cannot remember she was phoned by a police officer looking for Bernard. She was advised that Bernard was wanted for a car rental matter. She agreed to meet the police officer and Trevor. The police officer explained that Bernard would be arrested and detained at Chikurubi until the investigations were over. She did not want to see her brother detained; she had lost another brother who had a similar mental condition. He advised the officer that Bernard had a mental disorder. She then offered to settle the bill to avoid the incarceration of Bernard.

They came to an understanding; an acknowledgment of debt was prepared and signed leading to the release of Bernard.

She said his mental condition caused him to think that he had a lot of money and he became irresponsible with money. At one time she met Bernard at the South African border with an agreement of sale to buy a house and an agreement to buy a Mercedes Benz in South Africa. He said he was to pay the money after the British government paid him his millions of pounds that it owed him.

She said his mental condition started when he was about 20-22 years, and, at the time, he was 33 years. He is a Parirenyatwa Annex patient.

She confirmed that she signed the acknowledgement of debt, but it was under pressure from the police officer....,.

It was clear that the second defendant was untruthful when she said she was under pressure from the police to sign the acknowledgement of debt.

This is because, in her evidence, she set out her love and concern for her brother, Bernard; she did not want him arrested. In fact, it turns out now that she did not want the brother to even go through this court process that is why she applied for the appointment of a curator which process she did not pursue to its logical conclusion when the claim was withdrawn against him. It is therefore unbelievable that the police forced her to sign the acknowledgement of debt.

It is my view that she freely took over the obligation to pay off the debt so that Bernard would not be held liable.

Indeed, this happened, because Bernard was not prosecuted to establish his liability and was not even before this court.

Expert Evidence, Opinion Evidence and Toolmark Evidence re: Approach and the Limited Expert Knowledge of the Court


The plaintiff issued summons against the defendants claiming payment of US$13,868=90 for car rental charges due to the plaintiff and interest thereon at the rate of 3.5% from 1 April 2016 to date of full payment.

The undisputed facts are that the first defendant entered into a car hire agreement with the plaintiff in October 2015. In terms of the agreement, he was issued with a motor vehicle, a Ford Everest, that he used and was expected to make payments. He failed to do so until the motor vehicle was withdrawn from him.

The plaintiff had to seek the services of the police for the first defendant to return the motor vehicle. The plaintiff laid criminal charges against the first defendant. The second defendant, a sister to the first defendant, offered to settle the debt and the criminal charges were withdrawn.

In due course, the second defendant withdrew the offer to settle the debt. It is then that the summons was issued. The second defendant applied for the appointment of a curator ad litem over the first defendant.

On 17 March 2017 a provisional order was granted. No final order was sought by the second defendant.

As a result of the appointment of the curator ad litem persona the plaintiff withdrew its claim against the first defendant.

This trial therefore relates to the second defendant only.

At the pre-trial conference meeting held after the withdrawal of charges against the first defendant the parties agreed that the following issues would determine the case;

1. Whether or not the agreement entered into between the first defendant and the plaintiff was valid....,.

The second witness was Dr Patience Maunganidze. She is a medical doctor, a psychiatrist, based at Parirenyatwa Psychiatrist Unit. She wrote a letter setting out Bernard's condition based on the examination she carried out on Bernard in 2016 and the records kept at the Unit. The letter was produced as an exhibit.

She said Bernard's condition was called bipolar disorder. It's a problem with mood.

Bernard exhibited mania in that he believed he was excessively wealthy. Generally, such persons should not manage their affairs or make decisions but they do so. Under cross-examination, she said when a patient is examined, and an opinion is expressed, it relates only to the time of examination. It does not apply in retrospect or for the future. The assessment in casu was correct only as on 25 October 2016. She did not examine Bernard between August 2015 and August 2016.

She expressed an opinion that if Bernard signed a contract for a car hire and paid the money he could have entered into the agreement with a sound mind. She also said if a patient adheres to medication he or she can lead a normal life.

Court Management re: Approach, Case Management, Postponement of Proceedings and Judicial Directives of the Court


I directed counsel for the parties to file written submissions on stated dates.

Counsel for the plaintiff chose not to abide by the timelines. l therefore write the judgment without the benefit of the submissions.

Professional Ethics, Legal Duty to the Court and Clients, Dominus Litis and Correspondence with the Court


I directed counsel for the parties to file written submissions on stated dates.

Counsel for the plaintiff chose not to abide by the timelines. l therefore write the judgment without the benefit of the submissions.

Consensus Ad Idem re: Fraud or Fraudum Legis, Duress, Undue Influence and Misrepresentation


The plaintiff issued summons against the defendants claiming payment of US$13,868=90 for car rental charges due to the plaintiff and interest thereon at the rate of 3.5% from 1 April 2016 to date of full payment.

The undisputed facts are that the first defendant entered into a car hire agreement with the plaintiff in October 2015. In terms of the agreement, he was issued with a motor vehicle, a Ford Everest, that he used and was expected to make payments. He failed to do so until the motor vehicle was withdrawn from him.

The plaintiff had to seek the services of the police for the first defendant to return the motor vehicle. The plaintiff laid criminal charges against the first defendant. The second defendant, a sister to the first defendant, offered to settle the debt and the criminal charges were withdrawn.

In due course, the second defendant withdrew the offer to settle the debt. It is then that the summons was issued. The second defendant applied for the appointment of a curator ad litem over the first defendant.

On 17 March 2017 a provisional order was granted. No final order was sought by the second defendant.

As a result of the appointment of the curator ad litem persona the plaintiff withdrew its claim against the first defendant.

This trial therefore relates to the second defendant only.

At the pre-trial conference meeting held after the withdrawal of charges against the first defendant the parties agreed that the following issues would determine the case;

1. Whether or not the agreement entered into between the first defendant and the plaintiff was valid.

2. Whether the obligation assumed by the second defendant in an acknowledgement of debt and payment plan dated 2 March 2016 is valid and binding.

The plaintiff led evidence through two witnesses.

Trevor Chakawata “Trevor” gave evidence first; he is the Operation Manager at plaintiff company.

He said the first defendant,, Bernard, entered into a monthly rental contract of a motor vehicle in October 2015 with the plaintiff. Payments were done on a monthly basis. Bernard went to Binga in December 2015. He wanted to make a pre-payment but the network was down; no payment was made. While in Binga, Bernard was reminded of the unpaid bill; he advised Trevor to use his credit card he had left with the plaintiff to pay off the amount due, however, the credit card was blocked. Trevor said he communicated with Bernard on the phone by voice calls and text messages. When the payment was not made, Trevor advised Bernard to return the car. Bernard promised to do so but did not return the car. He then reported the matter to the police. He advised Bernard of the police report; Bernard was surprised at this turn of events as he questioned why the matter was reported yet he was a reliable customer.

The police communicated with Bernard who promised to return the car in a week's time. He did not. The police then opened a docket.

Trevor then advised Bernard that the matter had been handed over to the police. Bernard came to Harare in February 2016. He advised the police that he had returned the car and promised to settle the bill the following day. On the following day he did not turn up at the police station where Bernard and Trevor were supposed to meet. Trevor and the policeman went to his residence where they were referred to Mr Chanakira, who also referred them to Mrs Chanakira. They called Mrs Chanakira who agreed to meet them in Eastlea. At the meeting, after being told about the case, Mrs Chanakira, the second defendant, advised them that Bernard had a mental problem. When the policeman advised her of the criminal charges against Bernard and how the police deal with mentally ill accused persons, Mrs Chanakira offered to settle the bill.

Trevor said he advised her to put the offer in writing. This was done. In terms of that offer, she was to pay $1,000 a month from March 2016 until the debt was fully paid. She did not pay anything.

Initially, on being asked about the payment, she said she was in South Africa. However, later, Mr Chanakira called Trevor and said they should leave Mrs Chanakira but pursue Bernard who was well and was selling cell phones in town. Eventually, Mrs Chanakira withdrew the offer to settle the bill.

Trevor denied that at the time of contracting, Bernard was mentally incapacitated. He said Bernard knew that every month end he was supposed to pay - and he did. The car that he hired, a Ford Everest, is a unique car such that if one is of an unsound mind he could not drive it - but he did. In December, he was double billed and he was able to pick it; this cannot be done by a mentally incapacitated person.

He also said the acknowledgement of debt by Mrs Chanakira was valid because she offered to pay the debt. The acknowledgement of debt was drafted by her lawyers.

Mrs Chanakira asked them to leave Bernard she would pay the debt. The police could not confirm Bernard's mental capacity through their processes because Mrs Chanakira undertook to pay the debt.

Under cross examination, he said he saw Bernard when he signed the initial agreement and he looked normal. He also said a report from Parirenyatwa Annex Hospital indicated that Bernard had a history of mental disorder. He was not sure why the matter was withdrawn against Bernard. He confirmed that the undertaking was made on the understanding that Bernard was mentally unstable.

The second witness was Constable Nelson Mungati whose evidence was to the following effect;

He is a member of the Zimbabwe Republic Police with fifteen years in service stationed at R.G. Mugabe Airport. He received a report in this case and opened a docket. He phoned Bernard who indicated he was stuck in Gokwe but will return the car. On 7 February 2016 Bernard phoned him advising that he had returned the car. This was confirmed by Trevor Chakawata (Trevor).

When the bill remained unsettled he proceeded to Bernard's residence in the company of Trevor. They were referred to Mr Chanakira who referred them to Mrs Chanakira. They arranged to meet. When they met, he advised Mrs Chanakira about the investigations. She advised him that Bernard was of an unsound mind and offered to settle the bill. It took some time for the acknowledgment of debt to be drawn up; when it was submitted he advised his superiors. He was advised to check at Parirenyatwa Annex Hospital if the history is documented. He made a formal request for the report; he did not get it but was given a record that showed that Bernard was detained some time at the hospital.

Under cross examination he said, from his physical appearance, Bernard did not exhibit signs of mental incapacity. He said after explaining the process of dealing with mentally incapacitated persons to Mrs Chanakira, Mrs Chanakira offered to settle the bill to save Bernard from incarceration. He then summarised the docket and closed it.

Eventually, he learnt that Bernard had been hospitalized. The plaintiff then closed its case.

The second defendant, 'Shaillon' (Mrs Chanakira), called two witnesses in evidence. She gave evidence first.

She is Bernard's brother and she was staying with him. On a date she cannot remember she was phoned by a police officer looking for Bernard. She was advised that Bernard was wanted for a car rental matter. She agreed to meet the police officer and Trevor. The police officer explained that Bernard would be arrested and detained at Chikurubi until the investigations were over. She did not want to see her brother detained; she had lost another brother who had a similar mental condition. He advised the officer that Bernard had a mental disorder. She then offered to settle the bill to avoid the incarceration of Bernard.

They came to an understanding; an acknowledgment of debt was prepared and signed leading to the release of Bernard.

She said his mental condition caused him to think that he had a lot of money and he became irresponsible with money. At one time she met Bernard at the South African border with an agreement of sale to buy a house and an agreement to buy a Mercedes Benz in South Africa. He said he was to pay the money after the British government paid him his millions of pounds that it owed him.

She said his mental condition started when he was about 20-22 years, and, at the time, he was 33 years. He is a Parirenyatwa Annex patient.

She confirmed that she signed the acknowledgement of debt, but it was under pressure from the police officer....,.

It was clear that the second defendant was untruthful when she said she was under pressure from the police to sign the acknowledgement of debt.

This is because, in her evidence, she set out her love and concern for her brother, Bernard; she did not want him arrested. In fact, it turns out now that she did not want the brother to even go through this court process that is why she applied for the appointment of a curator which process she did not pursue to its logical conclusion when the claim was withdrawn against him. It is therefore unbelievable that the police forced her to sign the acknowledgement of debt.

It is my view that she freely took over the obligation to pay off the debt so that Bernard would not be held liable.

Indeed, this happened, because Bernard was not prosecuted to establish his liability and was not even before this court.

Approach re: Contract of Hire, Letting, Supply of Goods and Services, Service Agreements and Fiscal Considerations


The plaintiff issued summons against the defendants claiming payment of US$13,868=90 for car rental charges due to the plaintiff and interest thereon at the rate of 3.5% from 1 April 2016 to date of full payment.

The undisputed facts are that the first defendant entered into a car hire agreement with the plaintiff in October 2015. In terms of the agreement, he was issued with a motor vehicle, a Ford Everest, that he used and was expected to make payments. He failed to do so until the motor vehicle was withdrawn from him.

The plaintiff had to seek the services of the police for the first defendant to return the motor vehicle. The plaintiff laid criminal charges against the first defendant. The second defendant, a sister to the first defendant, offered to settle the debt and the criminal charges were withdrawn.

In due course, the second defendant withdrew the offer to settle the debt. It is then that the summons was issued. The second defendant applied for the appointment of a curator ad litem over the first defendant.

On 17 March 2017 a provisional order was granted. No final order was sought by the second defendant.

As a result of the appointment of the curator ad litem persona the plaintiff withdrew its claim against the first defendant.

This trial therefore relates to the second defendant only.

At the pre-trial conference meeting held after the withdrawal of charges against the first defendant the parties agreed that the following issues would determine the case;

1. Whether or not the agreement entered into between the first defendant and the plaintiff was valid.

2. Whether the obligation assumed by the second defendant in an acknowledgement of debt and payment plan dated 2 March 2016 is valid and binding.

The plaintiff led evidence through two witnesses.

Trevor Chakawata “Trevor” gave evidence first; he is the Operation Manager at plaintiff company.

He said the first defendant,, Bernard, entered into a monthly rental contract of a motor vehicle in October 2015 with the plaintiff. Payments were done on a monthly basis. Bernard went to Binga in December 2015. He wanted to make a pre-payment but the network was down; no payment was made. While in Binga, Bernard was reminded of the unpaid bill; he advised Trevor to use his credit card he had left with the plaintiff to pay off the amount due, however, the credit card was blocked. Trevor said he communicated with Bernard on the phone by voice calls and text messages. When the payment was not made, Trevor advised Bernard to return the car. Bernard promised to do so but did not return the car. He then reported the matter to the police. He advised Bernard of the police report; Bernard was surprised at this turn of events as he questioned why the matter was reported yet he was a reliable customer.

The police communicated with Bernard who promised to return the car in a week's time. He did not. The police then opened a docket.

Trevor then advised Bernard that the matter had been handed over to the police. Bernard came to Harare in February 2016. He advised the police that he had returned the car and promised to settle the bill the following day. On the following day he did not turn up at the police station where Bernard and Trevor were supposed to meet. Trevor and the policeman went to his residence where they were referred to Mr Chanakira, who also referred them to Mrs Chanakira. They called Mrs Chanakira who agreed to meet them in Eastlea. At the meeting, after being told about the case, Mrs Chanakira, the second defendant, advised them that Bernard had a mental problem. When the policeman advised her of the criminal charges against Bernard and how the police deal with mentally ill accused persons, Mrs Chanakira offered to settle the bill.

Trevor said he advised her to put the offer in writing. This was done. In terms of that offer, she was to pay $1,000 a month from March 2016 until the debt was fully paid. She did not pay anything.

Initially, on being asked about the payment, she said she was in South Africa. However, later, Mr Chanakira called Trevor and said they should leave Mrs Chanakira but pursue Bernard who was well and was selling cell phones in town. Eventually, Mrs Chanakira withdrew the offer to settle the bill.

Trevor denied that at the time of contracting, Bernard was mentally incapacitated. He said Bernard knew that every month end he was supposed to pay - and he did. The car that he hired, a Ford Everest, is a unique car such that if one is of an unsound mind he could not drive it - but he did. In December, he was double billed and he was able to pick it; this cannot be done by a mentally incapacitated person.

He also said the acknowledgement of debt by Mrs Chanakira was valid because she offered to pay the debt. The acknowledgement of debt was drafted by her lawyers.

Mrs Chanakira asked them to leave Bernard she would pay the debt. The police could not confirm Bernard's mental capacity through their processes because Mrs Chanakira undertook to pay the debt.

Under cross examination, he said he saw Bernard when he signed the initial agreement and he looked normal. He also said a report from Parirenyatwa Annex Hospital indicated that Bernard had a history of mental disorder. He was not sure why the matter was withdrawn against Bernard. He confirmed that the undertaking was made on the understanding that Bernard was mentally unstable.

The second witness was Constable Nelson Mungati whose evidence was to the following effect;

He is a member of the Zimbabwe Republic Police with fifteen years in service stationed at R.G. Mugabe Airport. He received a report in this case and opened a docket. He phoned Bernard who indicated he was stuck in Gokwe but will return the car. On 7 February 2016 Bernard phoned him advising that he had returned the car. This was confirmed by Trevor Chakawata (Trevor).

When the bill remained unsettled he proceeded to Bernard's residence in the company of Trevor. They were referred to Mr Chanakira who referred them to Mrs Chanakira. They arranged to meet. When they met, he advised Mrs Chanakira about the investigations. She advised him that Bernard was of an unsound mind and offered to settle the bill. It took some time for the acknowledgment of debt to be drawn up; when it was submitted he advised his superiors. He was advised to check at Parirenyatwa Annex Hospital if the history is documented. He made a formal request for the report; he did not get it but was given a record that showed that Bernard was detained some time at the hospital.

Under cross examination he said, from his physical appearance, Bernard did not exhibit signs of mental incapacity. He said after explaining the process of dealing with mentally incapacitated persons to Mrs Chanakira, Mrs Chanakira offered to settle the bill to save Bernard from incarceration. He then summarised the docket and closed it.

Eventually, he learnt that Bernard had been hospitalized. The plaintiff then closed its case.

The second defendant, 'Shaillon' (Mrs Chanakira), called two witnesses in evidence. She gave evidence first.

She is Bernard's brother and she was staying with him. On a date she cannot remember she was phoned by a police officer looking for Bernard. She was advised that Bernard was wanted for a car rental matter. She agreed to meet the police officer and Trevor. The police officer explained that Bernard would be arrested and detained at Chikurubi until the investigations were over. She did not want to see her brother detained; she had lost another brother who had a similar mental condition. He advised the officer that Bernard had a mental disorder. She then offered to settle the bill to avoid the incarceration of Bernard.

They came to an understanding; an acknowledgment of debt was prepared and signed leading to the release of Bernard.

She said his mental condition caused him to think that he had a lot of money and he became irresponsible with money. At one time she met Bernard at the South African border with an agreement of sale to buy a house and an agreement to buy a Mercedes Benz in South Africa. He said he was to pay the money after the British government paid him his millions of pounds that it owed him.

She said his mental condition started when he was about 20-22 years, and, at the time, he was 33 years. He is a Parirenyatwa Annex patient.

She confirmed that she signed the acknowledgement of debt, but it was under pressure from the police officer.

She later withdrew the offer after receiving advice that people like Bernard, with mental incapacities, are not liable at law.

Bernard was on medication, and, when he adhered to his medication, he was fine. If he defaulted, he would relapse and became withdrawn, very violent, and would exhibit a lot of strength; at one time he emptied a swimming pool overnight using a bucket.

After this incident she caused a curator to be appointed, the court order was produced as an exhibit. She said she was not indebted to the plaintiff because she withdrew her offer.

Under cross-examination, she said she signed the acknowledgment of debt to avert the incarceration of Bernard. She said Bernard stayed with her for about six years; he would do some home chores and escort their driver on errands. Bernard received a stipend from the family in cash. He was usually treated in South Africa. She denied that Bernard operated a cell phone shop. She saw Bernard with the Ford Everest and was told it belonged to a friend whom Bernard was assisting in a mining venture. She did not probe further because, at that time, he had become withdrawn; he was not bathing, not changing clothes, and would not come home at times.

This was over three months.

She could not probe too much about his behaviour because he turned violent if put under pressure - at one time he stabbed her daughter.

She could not confirm or deny that Bernard went to Binga and Gokwe.

In respect of the appointment of the curator, she confirmed that she was the applicant and that after obtaining the provisional order she did not do anything.

On re-examination, she said it was unnecessary to have a report on Bernard's capacity since the matter had been withdrawn against him.

The second witness was Dr Patience Maunganidze. She is a medical doctor, a psychiatrist, based at Parirenyatwa Psychiatrist Unit. She wrote a letter setting out Bernard's condition based on the examination she carried out on Bernard in 2016 and the records kept at the Unit. The letter was produced as an exhibit.

She said Bernard's condition was called bipolar disorder. It's a problem with mood.

Bernard exhibited mania in that he believed he was excessively wealthy. Generally, such persons should not manage their affairs or make decisions but they do so. Under cross-examination, she said when a patient is examined, and an opinion is expressed, it relates only to the time of examination. It does not apply in retrospect or for the future. The assessment in casu was correct only as on 25 October 2016. She did not examine Bernard between August 2015 and August 2016.

She expressed an opinion that if Bernard signed a contract for a car hire and paid the money he could have entered into the agreement with a sound mind. She also said if a patient adheres to medication he or she can lead a normal life.

The defence case was then closed.

I directed counsel for the parties to file written submissions on stated dates.

Counsel for the plaintiff chose not to abide by the timelines. l therefore write the judgment without the benefit of the submissions.

I now determine the issues in view of the evidence and the law.

The first issue turns on whether Bernard had the mental capacity to contract with the plaintiff.

The onus to prove such mental incapacity is on the party relying on it.

The issue whether a contracting party had the requisite mental capacity is a question of fact to be determined by the court. See Blamire's Executrix v Milner and Wirsing 1969 NLR 39. It is for the court to assess the surrounding circumstances of the making of the contract. In Pheasant v Wayne 1922 AD 481…, INNES CJ made the following observation;

“And a court of law called upon to decide a question of contractual liability depending upon mental capacity must determine whether the person concerned was or was not, at the time, capable of managing the particular affair in question – that is to say, whether his mind was such that he could understand and appreciate the transaction into which he purported to enter.”

Case law has established three principles of testing the existence or lack of corpus mentis.

The three principles were summarised succinctly in Executive Hotel (Pvt) Ltd v Bennet NO SC 2007 (1) ZLR 343 (S) that;

1. At the time of contracting was the state of mind of the contracting party whose capacity is at issue such that he was incapable of estimating what was or what was not a fair and beneficial bargain?

2. Was the state of mind of the contracting party whose capacity is at issue such as would, in common honesty, not make him liable or responsible for such an act or contract; and

3. Whether the contracting party whose capacity is at issue was of such unsound mind as to be incapable of understanding and appreciating the transaction into which he purported to enter.

In this case, it is not in dispute that Bernard suffered from a bi-polar mental disorder. He believed he was an important person with a lot of money. He was on medication but would have periods of relapses. He had been admitted into Parirenyatwa Annex Hospital three times. His condition was not easily discernible unless if it is at its peak.

Although Trevor gave evidence that he attended to Bernard when he hired the motor vehicle, I believe Bernard had relapsed.

He used the allowances from the family to hire a top of the range motor vehicle, a Ford Everest. His source of income was the family which income was not consistent according to the first defendant. He lied about the motor vehicle to Shaillon, the second defendant.

Shaillon's evidence on Bernard's conduct, while he had the motor vehicle, is important.

She had stayed with Bernard for about five years and could tell the onset of a relapse. Bernard's mood at home had charged; she could not even cross examine him on the motor vehicle he brought for fear he would turn violent when put under pressure. She was also afraid because at one point in the past he stabbed her daughter. I do not doubt Shaillon's evidence on the conduct of Bernard in so far as his behaviour is concerned and his mental capacity.

However, it was clear that she was untruthful when she said she was under pressure from the police to sign the acknowledgement of debt.

This is because, in her evidence, she set out her love and concern for her brother, Bernard; she did not want him arrested. In fact, it turns out now that she did not want the brother to even go through this court process that is why she applied for the appointment of a curator which process she did not pursue to its logical conclusion when the claim was withdrawn against him. It is therefore unbelievable that the police forced her to sign the acknowledgement of debt.

It is my view that she freely took over the obligation to pay off the debt so that Bernard would not be held liable.

Indeed, this happened, because Bernard was not prosecuted to establish his liability and was not even before this court.

At the time that she signed the acknowledgment of debt, in March 2016, Bernard had been admitted at Parirenyatwa Annex Hospital.

It is my considered view that Bernard's mental incapacity confines itself to the use of money.

His belief that he had a lot of money would naturally lead him to overspend; this case is an example of his mental disorientation. He rented a car which incurred a bill of $13,600, an amount which can buy a car. This is exactly the upshot of his mental condition; he believed he had the money yet he was a man living on inconsistent allowances from the family.

At the time of contracting, Bernard believed, due to his mental disorder, that he had money to meet his obligations.

There was no evidence placed before the court on Bernard's mental condition at the time of contracting.

However, the evidence by Shaillon, which described Bernard's behaviour for the period proximate to the time of contracting, gives me an inclining that Bernard had relapsed at the time of contracting with the plaintiff. He knew what he was doing but the knowledge was based on a mental incapacity which has not been denied. I believe this is where, in common honesty, Bernard should not be made liable or responsible for his conduct as set out in the second principle in Executive Hotel (Pvt) Ltd v Bennet NO SC 2007 (1) ZLR 343 (S).

To that extent, the agreement between the plaintiff and Bernard is invalid.

Consensus Ad Idem re: Capacity to Contract & Presumption that Every Party to a Contract has Full Contractual Capacity


The plaintiff issued summons against the defendants claiming payment of US$13,868=90 for car rental charges due to the plaintiff and interest thereon at the rate of 3.5% from 1 April 2016 to date of full payment.

The undisputed facts are that the first defendant entered into a car hire agreement with the plaintiff in October 2015. In terms of the agreement, he was issued with a motor vehicle, a Ford Everest, that he used and was expected to make payments. He failed to do so until the motor vehicle was withdrawn from him.

The plaintiff had to seek the services of the police for the first defendant to return the motor vehicle. The plaintiff laid criminal charges against the first defendant. The second defendant, a sister to the first defendant, offered to settle the debt and the criminal charges were withdrawn.

In due course, the second defendant withdrew the offer to settle the debt. It is then that the summons was issued. The second defendant applied for the appointment of a curator ad litem over the first defendant.

On 17 March 2017 a provisional order was granted. No final order was sought by the second defendant.

As a result of the appointment of the curator ad litem persona the plaintiff withdrew its claim against the first defendant.

This trial therefore relates to the second defendant only.

At the pre-trial conference meeting held after the withdrawal of charges against the first defendant the parties agreed that the following issues would determine the case;

1. Whether or not the agreement entered into between the first defendant and the plaintiff was valid.

2. Whether the obligation assumed by the second defendant in an acknowledgement of debt and payment plan dated 2 March 2016 is valid and binding.

The plaintiff led evidence through two witnesses.

Trevor Chakawata “Trevor” gave evidence first; he is the Operation Manager at plaintiff company.

He said the first defendant,, Bernard, entered into a monthly rental contract of a motor vehicle in October 2015 with the plaintiff. Payments were done on a monthly basis. Bernard went to Binga in December 2015. He wanted to make a pre-payment but the network was down; no payment was made. While in Binga, Bernard was reminded of the unpaid bill; he advised Trevor to use his credit card he had left with the plaintiff to pay off the amount due, however, the credit card was blocked. Trevor said he communicated with Bernard on the phone by voice calls and text messages. When the payment was not made, Trevor advised Bernard to return the car. Bernard promised to do so but did not return the car. He then reported the matter to the police. He advised Bernard of the police report; Bernard was surprised at this turn of events as he questioned why the matter was reported yet he was a reliable customer.

The police communicated with Bernard who promised to return the car in a week's time. He did not. The police then opened a docket.

Trevor then advised Bernard that the matter had been handed over to the police. Bernard came to Harare in February 2016. He advised the police that he had returned the car and promised to settle the bill the following day. On the following day he did not turn up at the police station where Bernard and Trevor were supposed to meet. Trevor and the policeman went to his residence where they were referred to Mr Chanakira, who also referred them to Mrs Chanakira. They called Mrs Chanakira who agreed to meet them in Eastlea. At the meeting, after being told about the case, Mrs Chanakira, the second defendant, advised them that Bernard had a mental problem. When the policeman advised her of the criminal charges against Bernard and how the police deal with mentally ill accused persons, Mrs Chanakira offered to settle the bill.

Trevor said he advised her to put the offer in writing. This was done. In terms of that offer, she was to pay $1,000 a month from March 2016 until the debt was fully paid. She did not pay anything.

Initially, on being asked about the payment, she said she was in South Africa. However, later, Mr Chanakira called Trevor and said they should leave Mrs Chanakira but pursue Bernard who was well and was selling cell phones in town. Eventually, Mrs Chanakira withdrew the offer to settle the bill.

Trevor denied that at the time of contracting, Bernard was mentally incapacitated. He said Bernard knew that every month end he was supposed to pay - and he did. The car that he hired, a Ford Everest, is a unique car such that if one is of an unsound mind he could not drive it - but he did. In December, he was double billed and he was able to pick it; this cannot be done by a mentally incapacitated person.

He also said the acknowledgement of debt by Mrs Chanakira was valid because she offered to pay the debt. The acknowledgement of debt was drafted by her lawyers.

Mrs Chanakira asked them to leave Bernard she would pay the debt. The police could not confirm Bernard's mental capacity through their processes because Mrs Chanakira undertook to pay the debt.

Under cross examination, he said he saw Bernard when he signed the initial agreement and he looked normal. He also said a report from Parirenyatwa Annex Hospital indicated that Bernard had a history of mental disorder. He was not sure why the matter was withdrawn against Bernard. He confirmed that the undertaking was made on the understanding that Bernard was mentally unstable.

The second witness was Constable Nelson Mungati whose evidence was to the following effect;

He is a member of the Zimbabwe Republic Police with fifteen years in service stationed at R.G. Mugabe Airport. He received a report in this case and opened a docket. He phoned Bernard who indicated he was stuck in Gokwe but will return the car. On 7 February 2016 Bernard phoned him advising that he had returned the car. This was confirmed by Trevor Chakawata (Trevor).

When the bill remained unsettled he proceeded to Bernard's residence in the company of Trevor. They were referred to Mr Chanakira who referred them to Mrs Chanakira. They arranged to meet. When they met, he advised Mrs Chanakira about the investigations. She advised him that Bernard was of an unsound mind and offered to settle the bill. It took some time for the acknowledgment of debt to be drawn up; when it was submitted he advised his superiors. He was advised to check at Parirenyatwa Annex Hospital if the history is documented. He made a formal request for the report; he did not get it but was given a record that showed that Bernard was detained some time at the hospital.

Under cross examination he said, from his physical appearance, Bernard did not exhibit signs of mental incapacity. He said after explaining the process of dealing with mentally incapacitated persons to Mrs Chanakira, Mrs Chanakira offered to settle the bill to save Bernard from incarceration. He then summarised the docket and closed it.

Eventually, he learnt that Bernard had been hospitalized. The plaintiff then closed its case.

The second defendant, 'Shaillon' (Mrs Chanakira), called two witnesses in evidence. She gave evidence first.

She is Bernard's brother and she was staying with him. On a date she cannot remember she was phoned by a police officer looking for Bernard. She was advised that Bernard was wanted for a car rental matter. She agreed to meet the police officer and Trevor. The police officer explained that Bernard would be arrested and detained at Chikurubi until the investigations were over. She did not want to see her brother detained; she had lost another brother who had a similar mental condition. He advised the officer that Bernard had a mental disorder. She then offered to settle the bill to avoid the incarceration of Bernard.

They came to an understanding; an acknowledgment of debt was prepared and signed leading to the release of Bernard.

She said his mental condition caused him to think that he had a lot of money and he became irresponsible with money. At one time she met Bernard at the South African border with an agreement of sale to buy a house and an agreement to buy a Mercedes Benz in South Africa. He said he was to pay the money after the British government paid him his millions of pounds that it owed him.

She said his mental condition started when he was about 20-22 years, and, at the time, he was 33 years. He is a Parirenyatwa Annex patient.

She confirmed that she signed the acknowledgement of debt, but it was under pressure from the police officer.

She later withdrew the offer after receiving advice that people like Bernard, with mental incapacities, are not liable at law.

Bernard was on medication, and, when he adhered to his medication, he was fine. If he defaulted, he would relapse and became withdrawn, very violent, and would exhibit a lot of strength; at one time he emptied a swimming pool overnight using a bucket.

After this incident she caused a curator to be appointed, the court order was produced as an exhibit. She said she was not indebted to the plaintiff because she withdrew her offer.

Under cross-examination, she said she signed the acknowledgment of debt to avert the incarceration of Bernard. She said Bernard stayed with her for about six years; he would do some home chores and escort their driver on errands. Bernard received a stipend from the family in cash. He was usually treated in South Africa. She denied that Bernard operated a cell phone shop. She saw Bernard with the Ford Everest and was told it belonged to a friend whom Bernard was assisting in a mining venture. She did not probe further because, at that time, he had become withdrawn; he was not bathing, not changing clothes, and would not come home at times.

This was over three months.

She could not probe too much about his behaviour because he turned violent if put under pressure - at one time he stabbed her daughter.

She could not confirm or deny that Bernard went to Binga and Gokwe.

In respect of the appointment of the curator, she confirmed that she was the applicant and that after obtaining the provisional order she did not do anything.

On re-examination, she said it was unnecessary to have a report on Bernard's capacity since the matter had been withdrawn against him.

The second witness was Dr Patience Maunganidze. She is a medical doctor, a psychiatrist, based at Parirenyatwa Psychiatrist Unit. She wrote a letter setting out Bernard's condition based on the examination she carried out on Bernard in 2016 and the records kept at the Unit. The letter was produced as an exhibit.

She said Bernard's condition was called bipolar disorder. It's a problem with mood.

Bernard exhibited mania in that he believed he was excessively wealthy. Generally, such persons should not manage their affairs or make decisions but they do so. Under cross-examination, she said when a patient is examined, and an opinion is expressed, it relates only to the time of examination. It does not apply in retrospect or for the future. The assessment in casu was correct only as on 25 October 2016. She did not examine Bernard between August 2015 and August 2016.

She expressed an opinion that if Bernard signed a contract for a car hire and paid the money he could have entered into the agreement with a sound mind. She also said if a patient adheres to medication he or she can lead a normal life.

The defence case was then closed.

I directed counsel for the parties to file written submissions on stated dates.

Counsel for the plaintiff chose not to abide by the timelines. l therefore write the judgment without the benefit of the submissions.

I now determine the issues in view of the evidence and the law.

The first issue turns on whether Bernard had the mental capacity to contract with the plaintiff.

The onus to prove such mental incapacity is on the party relying on it.

The issue whether a contracting party had the requisite mental capacity is a question of fact to be determined by the court. See Blamire's Executrix v Milner and Wirsing 1969 NLR 39. It is for the court to assess the surrounding circumstances of the making of the contract. In Pheasant v Wayne 1922 AD 481…, INNES CJ made the following observation;

“And a court of law called upon to decide a question of contractual liability depending upon mental capacity must determine whether the person concerned was or was not, at the time, capable of managing the particular affair in question – that is to say, whether his mind was such that he could understand and appreciate the transaction into which he purported to enter.”

Case law has established three principles of testing the existence or lack of corpus mentis.

The three principles were summarised succinctly in Executive Hotel (Pvt) Ltd v Bennet NO SC 2007 (1) ZLR 343 (S) that;

1. At the time of contracting was the state of mind of the contracting party whose capacity is at issue such that he was incapable of estimating what was or what was not a fair and beneficial bargain?

2. Was the state of mind of the contracting party whose capacity is at issue such as would, in common honesty, not make him liable or responsible for such an act or contract; and

3. Whether the contracting party whose capacity is at issue was of such unsound mind as to be incapable of understanding and appreciating the transaction into which he purported to enter.

In this case, it is not in dispute that Bernard suffered from a bi-polar mental disorder. He believed he was an important person with a lot of money. He was on medication but would have periods of relapses. He had been admitted into Parirenyatwa Annex Hospital three times. His condition was not easily discernible unless if it is at its peak.

Although Trevor gave evidence that he attended to Bernard when he hired the motor vehicle, I believe Bernard had relapsed.

He used the allowances from the family to hire a top of the range motor vehicle, a Ford Everest. His source of income was the family which income was not consistent according to the first defendant. He lied about the motor vehicle to Shaillon, the second defendant.

Shaillon's evidence on Bernard's conduct, while he had the motor vehicle, is important.

She had stayed with Bernard for about five years and could tell the onset of a relapse. Bernard's mood at home had charged; she could not even cross examine him on the motor vehicle he brought for fear he would turn violent when put under pressure. She was also afraid because at one point in the past he stabbed her daughter. I do not doubt Shaillon's evidence on the conduct of Bernard in so far as his behaviour is concerned and his mental capacity.

However, it was clear that she was untruthful when she said she was under pressure from the police to sign the acknowledgement of debt.

This is because, in her evidence, she set out her love and concern for her brother, Bernard; she did not want him arrested. In fact, it turns out now that she did not want the brother to even go through this court process that is why she applied for the appointment of a curator which process she did not pursue to its logical conclusion when the claim was withdrawn against him. It is therefore unbelievable that the police forced her to sign the acknowledgement of debt.

It is my view that she freely took over the obligation to pay off the debt so that Bernard would not be held liable.

Indeed, this happened, because Bernard was not prosecuted to establish his liability and was not even before this court.

At the time that she signed the acknowledgment of debt, in March 2016, Bernard had been admitted at Parirenyatwa Annex Hospital.

It is my considered view that Bernard's mental incapacity confines itself to the use of money.

His belief that he had a lot of money would naturally lead him to overspend; this case is an example of his mental disorientation. He rented a car which incurred a bill of $13,600, an amount which can buy a car. This is exactly the upshot of his mental condition; he believed he had the money yet he was a man living on inconsistent allowances from the family.

At the time of contracting, Bernard believed, due to his mental disorder, that he had money to meet his obligations.

There was no evidence placed before the court on Bernard's mental condition at the time of contracting.

However, the evidence by Shaillon, which described Bernard's behaviour for the period proximate to the time of contracting, gives me an inclining that Bernard had relapsed at the time of contracting with the plaintiff. He knew what he was doing but the knowledge was based on a mental incapacity which has not been denied. I believe this is where, in common honesty, Bernard should not be made liable or responsible for his conduct as set out in the second principle in Executive Hotel (Pvt) Ltd v Bennet NO SC 2007 (1) ZLR 343 (S).

To that extent, the agreement between the plaintiff and Bernard is invalid.

Variation of Contracts re: Deed of Settlement, Compromise Agreement iro Assignment, Cession, Novation and Subrogation


The plaintiff issued summons against the defendants claiming payment of US$13,868=90 for car rental charges due to the plaintiff and interest thereon at the rate of 3.5% from 1 April 2016 to date of full payment.

The undisputed facts are that the first defendant entered into a car hire agreement with the plaintiff in October 2015. In terms of the agreement, he was issued with a motor vehicle, a Ford Everest, that he used and was expected to make payments. He failed to do so until the motor vehicle was withdrawn from him.

The plaintiff had to seek the services of the police for the first defendant to return the motor vehicle. The plaintiff laid criminal charges against the first defendant. The second defendant, a sister to the first defendant, offered to settle the debt and the criminal charges were withdrawn.

In due course, the second defendant withdrew the offer to settle the debt. It is then that the summons was issued. The second defendant applied for the appointment of a curator ad litem over the first defendant.

On 17 March 2017 a provisional order was granted. No final order was sought by the second defendant.

As a result of the appointment of the curator ad litem persona the plaintiff withdrew its claim against the first defendant.

This trial therefore relates to the second defendant only.

At the pre-trial conference meeting held after the withdrawal of charges against the first defendant the parties agreed that the following issues would determine the case;

1. Whether or not the agreement entered into between the first defendant and the plaintiff was valid.

2. Whether the obligation assumed by the second defendant in an acknowledgement of debt and payment plan dated 2 March 2016 is valid and binding.

The plaintiff led evidence through two witnesses.

Trevor Chakawata “Trevor” gave evidence first; he is the Operation Manager at plaintiff company.

He said the first defendant,, Bernard, entered into a monthly rental contract of a motor vehicle in October 2015 with the plaintiff. Payments were done on a monthly basis. Bernard went to Binga in December 2015. He wanted to make a pre-payment but the network was down; no payment was made. While in Binga, Bernard was reminded of the unpaid bill; he advised Trevor to use his credit card he had left with the plaintiff to pay off the amount due, however, the credit card was blocked. Trevor said he communicated with Bernard on the phone by voice calls and text messages. When the payment was not made, Trevor advised Bernard to return the car. Bernard promised to do so but did not return the car. He then reported the matter to the police. He advised Bernard of the police report; Bernard was surprised at this turn of events as he questioned why the matter was reported yet he was a reliable customer.

The police communicated with Bernard who promised to return the car in a week's time. He did not. The police then opened a docket.

Trevor then advised Bernard that the matter had been handed over to the police. Bernard came to Harare in February 2016. He advised the police that he had returned the car and promised to settle the bill the following day. On the following day he did not turn up at the police station where Bernard and Trevor were supposed to meet. Trevor and the policeman went to his residence where they were referred to Mr Chanakira, who also referred them to Mrs Chanakira. They called Mrs Chanakira who agreed to meet them in Eastlea. At the meeting, after being told about the case, Mrs Chanakira, the second defendant, advised them that Bernard had a mental problem. When the policeman advised her of the criminal charges against Bernard and how the police deal with mentally ill accused persons, Mrs Chanakira offered to settle the bill.

Trevor said he advised her to put the offer in writing. This was done. In terms of that offer, she was to pay $1,000 a month from March 2016 until the debt was fully paid. She did not pay anything.

Initially, on being asked about the payment, she said she was in South Africa. However, later, Mr Chanakira called Trevor and said they should leave Mrs Chanakira but pursue Bernard who was well and was selling cell phones in town. Eventually, Mrs Chanakira withdrew the offer to settle the bill.

Trevor denied that at the time of contracting, Bernard was mentally incapacitated. He said Bernard knew that every month end he was supposed to pay - and he did. The car that he hired, a Ford Everest, is a unique car such that if one is of an unsound mind he could not drive it - but he did. In December, he was double billed and he was able to pick it; this cannot be done by a mentally incapacitated person.

He also said the acknowledgement of debt by Mrs Chanakira was valid because she offered to pay the debt. The acknowledgement of debt was drafted by her lawyers.

Mrs Chanakira asked them to leave Bernard she would pay the debt. The police could not confirm Bernard's mental capacity through their processes because Mrs Chanakira undertook to pay the debt.

Under cross examination, he said he saw Bernard when he signed the initial agreement and he looked normal. He also said a report from Parirenyatwa Annex Hospital indicated that Bernard had a history of mental disorder. He was not sure why the matter was withdrawn against Bernard. He confirmed that the undertaking was made on the understanding that Bernard was mentally unstable.

The second witness was Constable Nelson Mungati whose evidence was to the following effect;

He is a member of the Zimbabwe Republic Police with fifteen years in service stationed at R.G. Mugabe Airport. He received a report in this case and opened a docket. He phoned Bernard who indicated he was stuck in Gokwe but will return the car. On 7 February 2016 Bernard phoned him advising that he had returned the car. This was confirmed by Trevor Chakawata (Trevor).

When the bill remained unsettled he proceeded to Bernard's residence in the company of Trevor. They were referred to Mr Chanakira who referred them to Mrs Chanakira. They arranged to meet. When they met, he advised Mrs Chanakira about the investigations. She advised him that Bernard was of an unsound mind and offered to settle the bill. It took some time for the acknowledgment of debt to be drawn up; when it was submitted he advised his superiors. He was advised to check at Parirenyatwa Annex Hospital if the history is documented. He made a formal request for the report; he did not get it but was given a record that showed that Bernard was detained some time at the hospital.

Under cross examination he said, from his physical appearance, Bernard did not exhibit signs of mental incapacity. He said after explaining the process of dealing with mentally incapacitated persons to Mrs Chanakira, Mrs Chanakira offered to settle the bill to save Bernard from incarceration. He then summarised the docket and closed it.

Eventually, he learnt that Bernard had been hospitalized. The plaintiff then closed its case.

The second defendant, 'Shaillon' (Mrs Chanakira), called two witnesses in evidence. She gave evidence first.

She is Bernard's brother and she was staying with him. On a date she cannot remember she was phoned by a police officer looking for Bernard. She was advised that Bernard was wanted for a car rental matter. She agreed to meet the police officer and Trevor. The police officer explained that Bernard would be arrested and detained at Chikurubi until the investigations were over. She did not want to see her brother detained; she had lost another brother who had a similar mental condition. He advised the officer that Bernard had a mental disorder. She then offered to settle the bill to avoid the incarceration of Bernard.

They came to an understanding; an acknowledgment of debt was prepared and signed leading to the release of Bernard.

She said his mental condition caused him to think that he had a lot of money and he became irresponsible with money. At one time she met Bernard at the South African border with an agreement of sale to buy a house and an agreement to buy a Mercedes Benz in South Africa. He said he was to pay the money after the British government paid him his millions of pounds that it owed him.

She said his mental condition started when he was about 20-22 years, and, at the time, he was 33 years. He is a Parirenyatwa Annex patient.

She confirmed that she signed the acknowledgement of debt, but it was under pressure from the police officer.

She later withdrew the offer after receiving advice that people like Bernard, with mental incapacities, are not liable at law.

Bernard was on medication, and, when he adhered to his medication, he was fine. If he defaulted, he would relapse and became withdrawn, very violent, and would exhibit a lot of strength; at one time he emptied a swimming pool overnight using a bucket.

After this incident she caused a curator to be appointed, the court order was produced as an exhibit. She said she was not indebted to the plaintiff because she withdrew her offer.

Under cross-examination, she said she signed the acknowledgment of debt to avert the incarceration of Bernard. She said Bernard stayed with her for about six years; he would do some home chores and escort their driver on errands. Bernard received a stipend from the family in cash. He was usually treated in South Africa. She denied that Bernard operated a cell phone shop. She saw Bernard with the Ford Everest and was told it belonged to a friend whom Bernard was assisting in a mining venture. She did not probe further because, at that time, he had become withdrawn; he was not bathing, not changing clothes, and would not come home at times.

This was over three months.

She could not probe too much about his behaviour because he turned violent if put under pressure - at one time he stabbed her daughter.

She could not confirm or deny that Bernard went to Binga and Gokwe.

In respect of the appointment of the curator, she confirmed that she was the applicant and that after obtaining the provisional order she did not do anything.

On re-examination, she said it was unnecessary to have a report on Bernard's capacity since the matter had been withdrawn against him.

The second witness was Dr Patience Maunganidze. She is a medical doctor, a psychiatrist, based at Parirenyatwa Psychiatrist Unit. She wrote a letter setting out Bernard's condition based on the examination she carried out on Bernard in 2016 and the records kept at the Unit. The letter was produced as an exhibit.

She said Bernard's condition was called bipolar disorder. It's a problem with mood.

Bernard exhibited mania in that he believed he was excessively wealthy. Generally, such persons should not manage their affairs or make decisions but they do so. Under cross-examination, she said when a patient is examined, and an opinion is expressed, it relates only to the time of examination. It does not apply in retrospect or for the future. The assessment in casu was correct only as on 25 October 2016. She did not examine Bernard between August 2015 and August 2016.

She expressed an opinion that if Bernard signed a contract for a car hire and paid the money he could have entered into the agreement with a sound mind. She also said if a patient adheres to medication he or she can lead a normal life.

The defence case was then closed.

I directed counsel for the parties to file written submissions on stated dates.

Counsel for the plaintiff chose not to abide by the timelines. l therefore write the judgment without the benefit of the submissions.

I now determine the issues in view of the evidence and the law.

The first issue turns on whether Bernard had the mental capacity to contract with the plaintiff.

The onus to prove such mental incapacity is on the party relying on it.

The issue whether a contracting party had the requisite mental capacity is a question of fact to be determined by the court. See Blamire's Executrix v Milner and Wirsing 1969 NLR 39. It is for the court to assess the surrounding circumstances of the making of the contract. In Pheasant v Wayne 1922 AD 481…, INNES CJ made the following observation;

“And a court of law called upon to decide a question of contractual liability depending upon mental capacity must determine whether the person concerned was or was not, at the time, capable of managing the particular affair in question – that is to say, whether his mind was such that he could understand and appreciate the transaction into which he purported to enter.”

Case law has established three principles of testing the existence or lack of corpus mentis.

The three principles were summarised succinctly in Executive Hotel (Pvt) Ltd v Bennet NO SC 2007 (1) ZLR 343 (S) that;

1. At the time of contracting was the state of mind of the contracting party whose capacity is at issue such that he was incapable of estimating what was or what was not a fair and beneficial bargain?

2. Was the state of mind of the contracting party whose capacity is at issue such as would, in common honesty, not make him liable or responsible for such an act or contract; and

3. Whether the contracting party whose capacity is at issue was of such unsound mind as to be incapable of understanding and appreciating the transaction into which he purported to enter.

In this case, it is not in dispute that Bernard suffered from a bi-polar mental disorder. He believed he was an important person with a lot of money. He was on medication but would have periods of relapses. He had been admitted into Parirenyatwa Annex Hospital three times. His condition was not easily discernible unless if it is at its peak.

Although Trevor gave evidence that he attended to Bernard when he hired the motor vehicle, I believe Bernard had relapsed.

He used the allowances from the family to hire a top of the range motor vehicle, a Ford Everest. His source of income was the family which income was not consistent according to the first defendant. He lied about the motor vehicle to Shaillon, the second defendant.

Shaillon's evidence on Bernard's conduct, while he had the motor vehicle, is important.

She had stayed with Bernard for about five years and could tell the onset of a relapse. Bernard's mood at home had charged; she could not even cross examine him on the motor vehicle he brought for fear he would turn violent when put under pressure. She was also afraid because at one point in the past he stabbed her daughter. I do not doubt Shaillon's evidence on the conduct of Bernard in so far as his behaviour is concerned and his mental capacity.

However, it was clear that she was untruthful when she said she was under pressure from the police to sign the acknowledgement of debt.

This is because, in her evidence, she set out her love and concern for her brother, Bernard; she did not want him arrested. In fact, it turns out now that she did not want the brother to even go through this court process that is why she applied for the appointment of a curator which process she did not pursue to its logical conclusion when the claim was withdrawn against him. It is therefore unbelievable that the police forced her to sign the acknowledgement of debt.

It is my view that she freely took over the obligation to pay off the debt so that Bernard would not be held liable.

Indeed, this happened, because Bernard was not prosecuted to establish his liability and was not even before this court.

At the time that she signed the acknowledgment of debt, in March 2016, Bernard had been admitted at Parirenyatwa Annex Hospital.

It is my considered view that Bernard's mental incapacity confines itself to the use of money.

His belief that he had a lot of money would naturally lead him to overspend; this case is an example of his mental disorientation. He rented a car which incurred a bill of $13,600, an amount which can buy a car. This is exactly the upshot of his mental condition; he believed he had the money yet he was a man living on inconsistent allowances from the family.

At the time of contracting, Bernard believed, due to his mental disorder, that he had money to meet his obligations.

There was no evidence placed before the court on Bernard's mental condition at the time of contracting.

However, the evidence by Shaillon, which described Bernard's behaviour for the period proximate to the time of contracting, gives me an inclining that Bernard had relapsed at the time of contracting with the plaintiff. He knew what he was doing but the knowledge was based on a mental incapacity which has not been denied. I believe this is where, in common honesty, Bernard should not be made liable or responsible for his conduct as set out in the second principle in Executive Hotel (Pvt) Ltd v Bennet NO SC 2007 (1) ZLR 343 (S).

To that extent, the agreement between the plaintiff and Bernard is invalid.

The second issue is whether the acknowledgment of debt signed by the second defendant is valid.

From the plaintiff's declaration, the second defendant's liability is set out as follows:

“The second defendant herein agreed, on 2 March 2016, to take over the debt due by the first defendant and assumed full responsibility of it; which undertaking the plaintiff agreed and accepted.”

The claim is based on the takeover of the debt incurred by Bernard leading to the signing of the acknowledgment of debt by Shaillon.

The plaintiff sued the second defendant based on the acknowledgement of debt.

It was submitted, for the first defendant, that the acknowledgment of debt resulted in a novation. The Court was referred to the case of Leader Tread Zimbabwe (Pvt) Ltd v Smith HH131-03 where it was held that an intention to novate pre-supposes the existence of a valid existing obligation.

In this regard, since the agreement between Bernard and the plaintiff is invalid, the offer by the first defendant to settle the debt was void ab initio.

Variation of Contracts re: Approach and Resolution of Contractual Lacunas


The plaintiff issued summons against the defendants claiming payment of US$13,868=90 for car rental charges due to the plaintiff and interest thereon at the rate of 3.5% from 1 April 2016 to date of full payment.

The undisputed facts are that the first defendant entered into a car hire agreement with the plaintiff in October 2015. In terms of the agreement, he was issued with a motor vehicle, a Ford Everest, that he used and was expected to make payments. He failed to do so until the motor vehicle was withdrawn from him.

The plaintiff had to seek the services of the police for the first defendant to return the motor vehicle. The plaintiff laid criminal charges against the first defendant. The second defendant, a sister to the first defendant, offered to settle the debt and the criminal charges were withdrawn.

In due course, the second defendant withdrew the offer to settle the debt. It is then that the summons was issued. The second defendant applied for the appointment of a curator ad litem over the first defendant.

On 17 March 2017 a provisional order was granted. No final order was sought by the second defendant.

As a result of the appointment of the curator ad litem persona the plaintiff withdrew its claim against the first defendant.

This trial therefore relates to the second defendant only.

At the pre-trial conference meeting held after the withdrawal of charges against the first defendant the parties agreed that the following issues would determine the case;

1. Whether or not the agreement entered into between the first defendant and the plaintiff was valid.

2. Whether the obligation assumed by the second defendant in an acknowledgement of debt and payment plan dated 2 March 2016 is valid and binding.

The plaintiff led evidence through two witnesses.

Trevor Chakawata “Trevor” gave evidence first; he is the Operation Manager at plaintiff company.

He said the first defendant,, Bernard, entered into a monthly rental contract of a motor vehicle in October 2015 with the plaintiff. Payments were done on a monthly basis. Bernard went to Binga in December 2015. He wanted to make a pre-payment but the network was down; no payment was made. While in Binga, Bernard was reminded of the unpaid bill; he advised Trevor to use his credit card he had left with the plaintiff to pay off the amount due, however, the credit card was blocked. Trevor said he communicated with Bernard on the phone by voice calls and text messages. When the payment was not made, Trevor advised Bernard to return the car. Bernard promised to do so but did not return the car. He then reported the matter to the police. He advised Bernard of the police report; Bernard was surprised at this turn of events as he questioned why the matter was reported yet he was a reliable customer.

The police communicated with Bernard who promised to return the car in a week's time. He did not. The police then opened a docket.

Trevor then advised Bernard that the matter had been handed over to the police. Bernard came to Harare in February 2016. He advised the police that he had returned the car and promised to settle the bill the following day. On the following day he did not turn up at the police station where Bernard and Trevor were supposed to meet. Trevor and the policeman went to his residence where they were referred to Mr Chanakira, who also referred them to Mrs Chanakira. They called Mrs Chanakira who agreed to meet them in Eastlea. At the meeting, after being told about the case, Mrs Chanakira, the second defendant, advised them that Bernard had a mental problem. When the policeman advised her of the criminal charges against Bernard and how the police deal with mentally ill accused persons, Mrs Chanakira offered to settle the bill.

Trevor said he advised her to put the offer in writing. This was done. In terms of that offer, she was to pay $1,000 a month from March 2016 until the debt was fully paid. She did not pay anything.

Initially, on being asked about the payment, she said she was in South Africa. However, later, Mr Chanakira called Trevor and said they should leave Mrs Chanakira but pursue Bernard who was well and was selling cell phones in town. Eventually, Mrs Chanakira withdrew the offer to settle the bill.

Trevor denied that at the time of contracting, Bernard was mentally incapacitated. He said Bernard knew that every month end he was supposed to pay - and he did. The car that he hired, a Ford Everest, is a unique car such that if one is of an unsound mind he could not drive it - but he did. In December, he was double billed and he was able to pick it; this cannot be done by a mentally incapacitated person.

He also said the acknowledgement of debt by Mrs Chanakira was valid because she offered to pay the debt. The acknowledgement of debt was drafted by her lawyers.

Mrs Chanakira asked them to leave Bernard she would pay the debt. The police could not confirm Bernard's mental capacity through their processes because Mrs Chanakira undertook to pay the debt.

Under cross examination, he said he saw Bernard when he signed the initial agreement and he looked normal. He also said a report from Parirenyatwa Annex Hospital indicated that Bernard had a history of mental disorder. He was not sure why the matter was withdrawn against Bernard. 

He confirmed that the undertaking was made on the understanding that Bernard was mentally unstable....,.

The court, in Leader Tread Zimbabwe (Pvt) Ltd v Smith HH131-03, cited the sentiments of L.R CARIEY in Law of Novation…, that;

“A compromise (transactio) is a novation, with a difference, however, that a novation on an invalid contract in itself is invalid, but, if a compromise is made about a contract the validity of which is in doubt, this cannot be upset on the ground that the contract which was compromised was invalid; the purpose is to replace uncertainty with certainty.

It is a novation designed to effect settlement of a dispute and may be arrived at by novation in the narrower sense of the word or by delegation.”...,.

Delegation is a form of novation in which, by agreement between all parties concerned, a third party is introduced as debtor in substitution of the original debtor, who is discharged; R H CHRISTIE in Business Law in Zimbabwe, 1998…,.

Debt re: Contractual and Judgment Debt iro Approach, Proof of Claim, Execution, Revalorization and Civil Imprisonment


The plaintiff issued summons against the defendants claiming payment of US$13,868=90 for car rental charges due to the plaintiff and interest thereon at the rate of 3.5% from 1 April 2016 to date of full payment.

The undisputed facts are that the first defendant entered into a car hire agreement with the plaintiff in October 2015. In terms of the agreement, he was issued with a motor vehicle, a Ford Everest, that he used and was expected to make payments. He failed to do so until the motor vehicle was withdrawn from him.

The plaintiff had to seek the services of the police for the first defendant to return the motor vehicle. The plaintiff laid criminal charges against the first defendant. The second defendant, a sister to the first defendant, offered to settle the debt and the criminal charges were withdrawn.

In due course, the second defendant withdrew the offer to settle the debt. It is then that the summons was issued. The second defendant applied for the appointment of a curator ad litem over the first defendant.

On 17 March 2017 a provisional order was granted. No final order was sought by the second defendant.

As a result of the appointment of the curator ad litem persona the plaintiff withdrew its claim against the first defendant.

This trial therefore relates to the second defendant only.

At the pre-trial conference meeting held after the withdrawal of charges against the first defendant the parties agreed that the following issues would determine the case;

1. Whether or not the agreement entered into between the first defendant and the plaintiff was valid.

2. Whether the obligation assumed by the second defendant in an acknowledgement of debt and payment plan dated 2 March 2016 is valid and binding.

The plaintiff led evidence through two witnesses.

Trevor Chakawata “Trevor” gave evidence first; he is the Operation Manager at plaintiff company.

He said the first defendant,, Bernard, entered into a monthly rental contract of a motor vehicle in October 2015 with the plaintiff. Payments were done on a monthly basis. Bernard went to Binga in December 2015. He wanted to make a pre-payment but the network was down; no payment was made. While in Binga, Bernard was reminded of the unpaid bill; he advised Trevor to use his credit card he had left with the plaintiff to pay off the amount due, however, the credit card was blocked. Trevor said he communicated with Bernard on the phone by voice calls and text messages. When the payment was not made, Trevor advised Bernard to return the car. Bernard promised to do so but did not return the car. He then reported the matter to the police. He advised Bernard of the police report; Bernard was surprised at this turn of events as he questioned why the matter was reported yet he was a reliable customer.

The police communicated with Bernard who promised to return the car in a week's time. He did not. The police then opened a docket.

Trevor then advised Bernard that the matter had been handed over to the police. Bernard came to Harare in February 2016. He advised the police that he had returned the car and promised to settle the bill the following day. On the following day he did not turn up at the police station where Bernard and Trevor were supposed to meet. Trevor and the policeman went to his residence where they were referred to Mr Chanakira, who also referred them to Mrs Chanakira. They called Mrs Chanakira who agreed to meet them in Eastlea. At the meeting, after being told about the case, Mrs Chanakira, the second defendant, advised them that Bernard had a mental problem. When the policeman advised her of the criminal charges against Bernard and how the police deal with mentally ill accused persons, Mrs Chanakira offered to settle the bill.

Trevor said he advised her to put the offer in writing. This was done. In terms of that offer, she was to pay $1,000 a month from March 2016 until the debt was fully paid. She did not pay anything.

Initially, on being asked about the payment, she said she was in South Africa. However, later, Mr Chanakira called Trevor and said they should leave Mrs Chanakira but pursue Bernard who was well and was selling cell phones in town. Eventually, Mrs Chanakira withdrew the offer to settle the bill.

Trevor denied that at the time of contracting, Bernard was mentally incapacitated. He said Bernard knew that every month end he was supposed to pay - and he did. The car that he hired, a Ford Everest, is a unique car such that if one is of an unsound mind he could not drive it - but he did. In December, he was double billed and he was able to pick it; this cannot be done by a mentally incapacitated person.

He also said the acknowledgement of debt by Mrs Chanakira was valid because she offered to pay the debt. The acknowledgement of debt was drafted by her lawyers.

Mrs Chanakira asked them to leave Bernard she would pay the debt. The police could not confirm Bernard's mental capacity through their processes because Mrs Chanakira undertook to pay the debt.

Under cross examination, he said he saw Bernard when he signed the initial agreement and he looked normal. He also said a report from Parirenyatwa Annex Hospital indicated that Bernard had a history of mental disorder. He was not sure why the matter was withdrawn against Bernard. He confirmed that the undertaking was made on the understanding that Bernard was mentally unstable.

The second witness was Constable Nelson Mungati whose evidence was to the following effect;

He is a member of the Zimbabwe Republic Police with fifteen years in service stationed at R.G. Mugabe Airport. He received a report in this case and opened a docket. He phoned Bernard who indicated he was stuck in Gokwe but will return the car. On 7 February 2016 Bernard phoned him advising that he had returned the car. This was confirmed by Trevor Chakawata (Trevor).

When the bill remained unsettled he proceeded to Bernard's residence in the company of Trevor. They were referred to Mr Chanakira who referred them to Mrs Chanakira. They arranged to meet. When they met, he advised Mrs Chanakira about the investigations. She advised him that Bernard was of an unsound mind and offered to settle the bill. It took some time for the acknowledgment of debt to be drawn up; when it was submitted he advised his superiors. He was advised to check at Parirenyatwa Annex Hospital if the history is documented. He made a formal request for the report; he did not get it but was given a record that showed that Bernard was detained some time at the hospital.

Under cross examination he said, from his physical appearance, Bernard did not exhibit signs of mental incapacity. He said after explaining the process of dealing with mentally incapacitated persons to Mrs Chanakira, Mrs Chanakira offered to settle the bill to save Bernard from incarceration. He then summarised the docket and closed it.

Eventually, he learnt that Bernard had been hospitalized. The plaintiff then closed its case.

The second defendant, 'Shaillon' (Mrs Chanakira), called two witnesses in evidence. She gave evidence first.

She is Bernard's brother and she was staying with him. On a date she cannot remember she was phoned by a police officer looking for Bernard. She was advised that Bernard was wanted for a car rental matter. She agreed to meet the police officer and Trevor. The police officer explained that Bernard would be arrested and detained at Chikurubi until the investigations were over. She did not want to see her brother detained; she had lost another brother who had a similar mental condition. He advised the officer that Bernard had a mental disorder. She then offered to settle the bill to avoid the incarceration of Bernard.

They came to an understanding; an acknowledgment of debt was prepared and signed leading to the release of Bernard.

She said his mental condition caused him to think that he had a lot of money and he became irresponsible with money. At one time she met Bernard at the South African border with an agreement of sale to buy a house and an agreement to buy a Mercedes Benz in South Africa. He said he was to pay the money after the British government paid him his millions of pounds that it owed him.

She said his mental condition started when he was about 20-22 years, and, at the time, he was 33 years. He is a Parirenyatwa Annex patient.

She confirmed that she signed the acknowledgement of debt, but it was under pressure from the police officer.

She later withdrew the offer after receiving advice that people like Bernard, with mental incapacities, are not liable at law.

Bernard was on medication, and, when he adhered to his medication, he was fine. If he defaulted, he would relapse and became withdrawn, very violent, and would exhibit a lot of strength; at one time he emptied a swimming pool overnight using a bucket.

After this incident she caused a curator to be appointed, the court order was produced as an exhibit. She said she was not indebted to the plaintiff because she withdrew her offer.

Under cross-examination, she said she signed the acknowledgment of debt to avert the incarceration of Bernard. She said Bernard stayed with her for about six years; he would do some home chores and escort their driver on errands. Bernard received a stipend from the family in cash. He was usually treated in South Africa. She denied that Bernard operated a cell phone shop. She saw Bernard with the Ford Everest and was told it belonged to a friend whom Bernard was assisting in a mining venture. She did not probe further because, at that time, he had become withdrawn; he was not bathing, not changing clothes, and would not come home at times.

This was over three months.

She could not probe too much about his behaviour because he turned violent if put under pressure - at one time he stabbed her daughter.

She could not confirm or deny that Bernard went to Binga and Gokwe.

In respect of the appointment of the curator, she confirmed that she was the applicant and that after obtaining the provisional order she did not do anything.

On re-examination, she said it was unnecessary to have a report on Bernard's capacity since the matter had been withdrawn against him.

The second witness was Dr Patience Maunganidze. She is a medical doctor, a psychiatrist, based at Parirenyatwa Psychiatrist Unit. She wrote a letter setting out Bernard's condition based on the examination she carried out on Bernard in 2016 and the records kept at the Unit. The letter was produced as an exhibit.

She said Bernard's condition was called bipolar disorder. It's a problem with mood.

Bernard exhibited mania in that he believed he was excessively wealthy. Generally, such persons should not manage their affairs or make decisions but they do so. Under cross-examination, she said when a patient is examined, and an opinion is expressed, it relates only to the time of examination. It does not apply in retrospect or for the future. The assessment in casu was correct only as on 25 October 2016. She did not examine Bernard between August 2015 and August 2016.

She expressed an opinion that if Bernard signed a contract for a car hire and paid the money he could have entered into the agreement with a sound mind. She also said if a patient adheres to medication he or she can lead a normal life.

The defence case was then closed.

I directed counsel for the parties to file written submissions on stated dates.

Counsel for the plaintiff chose not to abide by the timelines. l therefore write the judgment without the benefit of the submissions.

I now determine the issues in view of the evidence and the law.

The first issue turns on whether Bernard had the mental capacity to contract with the plaintiff.

The onus to prove such mental incapacity is on the party relying on it.

The issue whether a contracting party had the requisite mental capacity is a question of fact to be determined by the court. See Blamire's Executrix v Milner and Wirsing 1969 NLR 39. It is for the court to assess the surrounding circumstances of the making of the contract. In Pheasant v Wayne 1922 AD 481…, INNES CJ made the following observation;

“And a court of law called upon to decide a question of contractual liability depending upon mental capacity must determine whether the person concerned was or was not, at the time, capable of managing the particular affair in question – that is to say, whether his mind was such that he could understand and appreciate the transaction into which he purported to enter.”

Case law has established three principles of testing the existence or lack of corpus mentis.

The three principles were summarised succinctly in Executive Hotel (Pvt) Ltd v Bennet NO SC 2007 (1) ZLR 343 (S) that;

1. At the time of contracting was the state of mind of the contracting party whose capacity is at issue such that he was incapable of estimating what was or what was not a fair and beneficial bargain?

2. Was the state of mind of the contracting party whose capacity is at issue such as would, in common honesty, not make him liable or responsible for such an act or contract; and

3. Whether the contracting party whose capacity is at issue was of such unsound mind as to be incapable of understanding and appreciating the transaction into which he purported to enter.

In this case, it is not in dispute that Bernard suffered from a bi-polar mental disorder. He believed he was an important person with a lot of money. He was on medication but would have periods of relapses. He had been admitted into Parirenyatwa Annex Hospital three times. His condition was not easily discernible unless if it is at its peak.

Although Trevor gave evidence that he attended to Bernard when he hired the motor vehicle, I believe Bernard had relapsed.

He used the allowances from the family to hire a top of the range motor vehicle, a Ford Everest. His source of income was the family which income was not consistent according to the first defendant. He lied about the motor vehicle to Shaillon, the second defendant.

Shaillon's evidence on Bernard's conduct, while he had the motor vehicle, is important.

She had stayed with Bernard for about five years and could tell the onset of a relapse. Bernard's mood at home had charged; she could not even cross examine him on the motor vehicle he brought for fear he would turn violent when put under pressure. She was also afraid because at one point in the past he stabbed her daughter. I do not doubt Shaillon's evidence on the conduct of Bernard in so far as his behaviour is concerned and his mental capacity.

However, it was clear that she was untruthful when she said she was under pressure from the police to sign the acknowledgement of debt.

This is because, in her evidence, she set out her love and concern for her brother, Bernard; she did not want him arrested. In fact, it turns out now that she did not want the brother to even go through this court process that is why she applied for the appointment of a curator which process she did not pursue to its logical conclusion when the claim was withdrawn against him. It is therefore unbelievable that the police forced her to sign the acknowledgement of debt.

It is my view that she freely took over the obligation to pay off the debt so that Bernard would not be held liable.

Indeed, this happened, because Bernard was not prosecuted to establish his liability and was not even before this court.

At the time that she signed the acknowledgment of debt, in March 2016, Bernard had been admitted at Parirenyatwa Annex Hospital.

It is my considered view that Bernard's mental incapacity confines itself to the use of money.

His belief that he had a lot of money would naturally lead him to overspend; this case is an example of his mental disorientation. He rented a car which incurred a bill of $13,600, an amount which can buy a car. This is exactly the upshot of his mental condition; he believed he had the money yet he was a man living on inconsistent allowances from the family.

At the time of contracting, Bernard believed, due to his mental disorder, that he had money to meet his obligations.

There was no evidence placed before the court on Bernard's mental condition at the time of contracting.

However, the evidence by Shaillon, which described Bernard's behaviour for the period proximate to the time of contracting, gives me an inclining that Bernard had relapsed at the time of contracting with the plaintiff. He knew what he was doing but the knowledge was based on a mental incapacity which has not been denied. I believe this is where, in common honesty, Bernard should not be made liable or responsible for his conduct as set out in the second principle in Executive Hotel (Pvt) Ltd v Bennet NO SC 2007 (1) ZLR 343 (S).

To that extent, the agreement between the plaintiff and Bernard is invalid.

The second issue is whether the acknowledgment of debt signed by the second defendant is valid.

From the plaintiff's declaration, the second defendant's liability is set out as follows:

“The second defendant herein agreed, on 2 March 2016, to take over the debt due by the first defendant and assumed full responsibility of it; which undertaking the plaintiff agreed and accepted.”

The claim is based on the takeover of the debt incurred by Bernard leading to the signing of the acknowledgment of debt by Shaillon.

The plaintiff sued the second defendant based on the acknowledgement of debt.

It was submitted, for the first defendant, that the acknowledgment of debt resulted in a novation. The Court was referred to the case of Leader Tread Zimbabwe (Pvt) Ltd v Smith HH131-03 where it was held that an intention to novate pre-supposes the existence of a valid existing obligation.

In this regard, since the agreement between Bernard and the plaintiff is invalid, the offer by the first defendant to settle the debt was void ab initio.

A reading of Leader Tread Zimbabwe (Pvt) Ltd v Smith HH131-03 does not support the second defendant's case in its entirety. The court opined that an acknowledgment of debt is a compromise. The court refused to consider the initial agreement because the plaintiff in that case sued on the acknowledgement of debt and not on the original agreement. The court, in that case, cited the sentiments of L.R CARIEY in Law of Novation…, that;

“A compromise (transactio) is a novation, with a difference, however, that a novation on an invalid contract in itself is invalid, but if a compromise is made about a contract the validity of which is in doubt, this cannot be upset on the ground that the contract which was compromised was invalid; the purpose is to replace uncertainty with certainty.

It is a novation designed to effect settlement of a dispute and may be arrived at by novation in the narrower sense of the word or by delegation.”

The sentiments are apposite in this case.

The second defendant, after being made aware of the police's investigations, and how investigations proceed in respect of mentally incapacitated persons, she offered to pay the debt to avoid the incarceration of her brother. The debtor was therefore replaced. This is a case of delegation.

Delegation is a form of novation in which, by agreement between all parties concerned, a third party is introduced as debtor in substitution of the original debtor, who is discharged; R H CHRISTIE in Business Law in Zimbabwe, 1998…,.

The second defendant entered into a new agreement in which she took over the debt. The parties came up with a payment plan which she breached in due course. This agreement is not dependent on the validity of the agreement between the plaintiff and Bernard. Indeed, in Leader Tread Zimbabwe (Pvt) Ltd v Smith HH131-03 the court even declined to consider the illegality or otherwise of the initial contract because the acknowledgment of debt was held not to be dependent on it. Similarly, the validity or otherwise of the agreement between Bernard and the plaintiff is irrelevant.

Accordingly, the following order is made;

1. That judgment be and is hereby entered in favour of the plaintiff for the payment of $13,868=90 by the second defendant together with interest at the rate of 3.5% from 1 April 2016 to the date of payment in full.

2. Defendant to pay costs.

Debt re: Acknowledgement of Debt iro Assumption of Liability, Negotiorum Gestio, Expromissio & the Concept of Intercessio


The plaintiff issued summons against the defendants claiming payment of US$13,868=90 for car rental charges due to the plaintiff and interest thereon at the rate of 3.5% from 1 April 2016 to date of full payment.

The undisputed facts are that the first defendant entered into a car hire agreement with the plaintiff in October 2015. In terms of the agreement, he was issued with a motor vehicle, a Ford Everest, that he used and was expected to make payments. He failed to do so until the motor vehicle was withdrawn from him.

The plaintiff had to seek the services of the police for the first defendant to return the motor vehicle. The plaintiff laid criminal charges against the first defendant. The second defendant, a sister to the first defendant, offered to settle the debt and the criminal charges were withdrawn.

In due course, the second defendant withdrew the offer to settle the debt. It is then that the summons was issued. The second defendant applied for the appointment of a curator ad litem over the first defendant.

On 17 March 2017 a provisional order was granted. No final order was sought by the second defendant.

As a result of the appointment of the curator ad litem persona the plaintiff withdrew its claim against the first defendant.

This trial therefore relates to the second defendant only.

At the pre-trial conference meeting held after the withdrawal of charges against the first defendant the parties agreed that the following issues would determine the case;

1. Whether or not the agreement entered into between the first defendant and the plaintiff was valid.

2. Whether the obligation assumed by the second defendant in an acknowledgement of debt and payment plan dated 2 March 2016 is valid and binding.

The plaintiff led evidence through two witnesses.

Trevor Chakawata “Trevor” gave evidence first; he is the Operation Manager at plaintiff company.

He said the first defendant,, Bernard, entered into a monthly rental contract of a motor vehicle in October 2015 with the plaintiff. Payments were done on a monthly basis. Bernard went to Binga in December 2015. He wanted to make a pre-payment but the network was down; no payment was made. While in Binga, Bernard was reminded of the unpaid bill; he advised Trevor to use his credit card he had left with the plaintiff to pay off the amount due, however, the credit card was blocked. Trevor said he communicated with Bernard on the phone by voice calls and text messages. When the payment was not made, Trevor advised Bernard to return the car. Bernard promised to do so but did not return the car. He then reported the matter to the police. He advised Bernard of the police report; Bernard was surprised at this turn of events as he questioned why the matter was reported yet he was a reliable customer.

The police communicated with Bernard who promised to return the car in a week's time. He did not. The police then opened a docket.

Trevor then advised Bernard that the matter had been handed over to the police. Bernard came to Harare in February 2016. He advised the police that he had returned the car and promised to settle the bill the following day. On the following day he did not turn up at the police station where Bernard and Trevor were supposed to meet. Trevor and the policeman went to his residence where they were referred to Mr Chanakira, who also referred them to Mrs Chanakira. They called Mrs Chanakira who agreed to meet them in Eastlea. At the meeting, after being told about the case, Mrs Chanakira, the second defendant, advised them that Bernard had a mental problem. When the policeman advised her of the criminal charges against Bernard and how the police deal with mentally ill accused persons, Mrs Chanakira offered to settle the bill.

Trevor said he advised her to put the offer in writing. This was done. In terms of that offer, she was to pay $1,000 a month from March 2016 until the debt was fully paid. She did not pay anything.

Initially, on being asked about the payment, she said she was in South Africa. However, later, Mr Chanakira called Trevor and said they should leave Mrs Chanakira but pursue Bernard who was well and was selling cell phones in town. Eventually, Mrs Chanakira withdrew the offer to settle the bill.

Trevor denied that at the time of contracting, Bernard was mentally incapacitated. He said Bernard knew that every month end he was supposed to pay - and he did. The car that he hired, a Ford Everest, is a unique car such that if one is of an unsound mind he could not drive it - but he did. In December, he was double billed and he was able to pick it; this cannot be done by a mentally incapacitated person.

He also said the acknowledgement of debt by Mrs Chanakira was valid because she offered to pay the debt. The acknowledgement of debt was drafted by her lawyers.

Mrs Chanakira asked them to leave Bernard she would pay the debt. The police could not confirm Bernard's mental capacity through their processes because Mrs Chanakira undertook to pay the debt.

Under cross examination, he said he saw Bernard when he signed the initial agreement and he looked normal. He also said a report from Parirenyatwa Annex Hospital indicated that Bernard had a history of mental disorder. He was not sure why the matter was withdrawn against Bernard. He confirmed that the undertaking was made on the understanding that Bernard was mentally unstable.

The second witness was Constable Nelson Mungati whose evidence was to the following effect;

He is a member of the Zimbabwe Republic Police with fifteen years in service stationed at R.G. Mugabe Airport. He received a report in this case and opened a docket. He phoned Bernard who indicated he was stuck in Gokwe but will return the car. On 7 February 2016 Bernard phoned him advising that he had returned the car. This was confirmed by Trevor Chakawata (Trevor).

When the bill remained unsettled he proceeded to Bernard's residence in the company of Trevor. They were referred to Mr Chanakira who referred them to Mrs Chanakira. They arranged to meet. When they met, he advised Mrs Chanakira about the investigations. She advised him that Bernard was of an unsound mind and offered to settle the bill. It took some time for the acknowledgment of debt to be drawn up; when it was submitted he advised his superiors. He was advised to check at Parirenyatwa Annex Hospital if the history is documented. He made a formal request for the report; he did not get it but was given a record that showed that Bernard was detained some time at the hospital.

Under cross examination he said, from his physical appearance, Bernard did not exhibit signs of mental incapacity. He said after explaining the process of dealing with mentally incapacitated persons to Mrs Chanakira, Mrs Chanakira offered to settle the bill to save Bernard from incarceration. He then summarised the docket and closed it.

Eventually, he learnt that Bernard had been hospitalized. The plaintiff then closed its case.

The second defendant, 'Shaillon' (Mrs Chanakira), called two witnesses in evidence. She gave evidence first.

She is Bernard's brother and she was staying with him. On a date she cannot remember she was phoned by a police officer looking for Bernard. She was advised that Bernard was wanted for a car rental matter. She agreed to meet the police officer and Trevor. The police officer explained that Bernard would be arrested and detained at Chikurubi until the investigations were over. She did not want to see her brother detained; she had lost another brother who had a similar mental condition. He advised the officer that Bernard had a mental disorder. She then offered to settle the bill to avoid the incarceration of Bernard.

They came to an understanding; an acknowledgment of debt was prepared and signed leading to the release of Bernard.

She said his mental condition caused him to think that he had a lot of money and he became irresponsible with money. At one time she met Bernard at the South African border with an agreement of sale to buy a house and an agreement to buy a Mercedes Benz in South Africa. He said he was to pay the money after the British government paid him his millions of pounds that it owed him.

She said his mental condition started when he was about 20-22 years, and, at the time, he was 33 years. He is a Parirenyatwa Annex patient.

She confirmed that she signed the acknowledgement of debt, but it was under pressure from the police officer.

She later withdrew the offer after receiving advice that people like Bernard, with mental incapacities, are not liable at law.

Bernard was on medication, and, when he adhered to his medication, he was fine. If he defaulted, he would relapse and became withdrawn, very violent, and would exhibit a lot of strength; at one time he emptied a swimming pool overnight using a bucket.

After this incident she caused a curator to be appointed, the court order was produced as an exhibit. She said she was not indebted to the plaintiff because she withdrew her offer.

Under cross-examination, she said she signed the acknowledgment of debt to avert the incarceration of Bernard. She said Bernard stayed with her for about six years; he would do some home chores and escort their driver on errands. Bernard received a stipend from the family in cash. He was usually treated in South Africa. She denied that Bernard operated a cell phone shop. She saw Bernard with the Ford Everest and was told it belonged to a friend whom Bernard was assisting in a mining venture. She did not probe further because, at that time, he had become withdrawn; he was not bathing, not changing clothes, and would not come home at times.

This was over three months.

She could not probe too much about his behaviour because he turned violent if put under pressure - at one time he stabbed her daughter.

She could not confirm or deny that Bernard went to Binga and Gokwe.

In respect of the appointment of the curator, she confirmed that she was the applicant and that after obtaining the provisional order she did not do anything.

On re-examination, she said it was unnecessary to have a report on Bernard's capacity since the matter had been withdrawn against him.

The second witness was Dr Patience Maunganidze. She is a medical doctor, a psychiatrist, based at Parirenyatwa Psychiatrist Unit. She wrote a letter setting out Bernard's condition based on the examination she carried out on Bernard in 2016 and the records kept at the Unit. The letter was produced as an exhibit.

She said Bernard's condition was called bipolar disorder. It's a problem with mood.

Bernard exhibited mania in that he believed he was excessively wealthy. Generally, such persons should not manage their affairs or make decisions but they do so. Under cross-examination, she said when a patient is examined, and an opinion is expressed, it relates only to the time of examination. It does not apply in retrospect or for the future. The assessment in casu was correct only as on 25 October 2016. She did not examine Bernard between August 2015 and August 2016.

She expressed an opinion that if Bernard signed a contract for a car hire and paid the money he could have entered into the agreement with a sound mind. She also said if a patient adheres to medication he or she can lead a normal life.

The defence case was then closed.

I directed counsel for the parties to file written submissions on stated dates.

Counsel for the plaintiff chose not to abide by the timelines. l therefore write the judgment without the benefit of the submissions.

I now determine the issues in view of the evidence and the law.

The first issue turns on whether Bernard had the mental capacity to contract with the plaintiff.

The onus to prove such mental incapacity is on the party relying on it.

The issue whether a contracting party had the requisite mental capacity is a question of fact to be determined by the court. See Blamire's Executrix v Milner and Wirsing 1969 NLR 39. It is for the court to assess the surrounding circumstances of the making of the contract. In Pheasant v Wayne 1922 AD 481…, INNES CJ made the following observation;

“And a court of law called upon to decide a question of contractual liability depending upon mental capacity must determine whether the person concerned was or was not, at the time, capable of managing the particular affair in question – that is to say, whether his mind was such that he could understand and appreciate the transaction into which he purported to enter.”

Case law has established three principles of testing the existence or lack of corpus mentis.

The three principles were summarised succinctly in Executive Hotel (Pvt) Ltd v Bennet NO SC 2007 (1) ZLR 343 (S) that;

1. At the time of contracting was the state of mind of the contracting party whose capacity is at issue such that he was incapable of estimating what was or what was not a fair and beneficial bargain?

2. Was the state of mind of the contracting party whose capacity is at issue such as would, in common honesty, not make him liable or responsible for such an act or contract; and

3. Whether the contracting party whose capacity is at issue was of such unsound mind as to be incapable of understanding and appreciating the transaction into which he purported to enter.

In this case, it is not in dispute that Bernard suffered from a bi-polar mental disorder. He believed he was an important person with a lot of money. He was on medication but would have periods of relapses. He had been admitted into Parirenyatwa Annex Hospital three times. His condition was not easily discernible unless if it is at its peak.

Although Trevor gave evidence that he attended to Bernard when he hired the motor vehicle, I believe Bernard had relapsed.

He used the allowances from the family to hire a top of the range motor vehicle, a Ford Everest. His source of income was the family which income was not consistent according to the first defendant. He lied about the motor vehicle to Shaillon, the second defendant.

Shaillon's evidence on Bernard's conduct, while he had the motor vehicle, is important.

She had stayed with Bernard for about five years and could tell the onset of a relapse. Bernard's mood at home had charged; she could not even cross examine him on the motor vehicle he brought for fear he would turn violent when put under pressure. She was also afraid because at one point in the past he stabbed her daughter. I do not doubt Shaillon's evidence on the conduct of Bernard in so far as his behaviour is concerned and his mental capacity.

However, it was clear that she was untruthful when she said she was under pressure from the police to sign the acknowledgement of debt.

This is because, in her evidence, she set out her love and concern for her brother, Bernard; she did not want him arrested. In fact, it turns out now that she did not want the brother to even go through this court process that is why she applied for the appointment of a curator which process she did not pursue to its logical conclusion when the claim was withdrawn against him. It is therefore unbelievable that the police forced her to sign the acknowledgement of debt.

It is my view that she freely took over the obligation to pay off the debt so that Bernard would not be held liable.

Indeed, this happened, because Bernard was not prosecuted to establish his liability and was not even before this court.

At the time that she signed the acknowledgment of debt, in March 2016, Bernard had been admitted at Parirenyatwa Annex Hospital.

It is my considered view that Bernard's mental incapacity confines itself to the use of money.

His belief that he had a lot of money would naturally lead him to overspend; this case is an example of his mental disorientation. He rented a car which incurred a bill of $13,600, an amount which can buy a car. This is exactly the upshot of his mental condition; he believed he had the money yet he was a man living on inconsistent allowances from the family.

At the time of contracting, Bernard believed, due to his mental disorder, that he had money to meet his obligations.

There was no evidence placed before the court on Bernard's mental condition at the time of contracting.

However, the evidence by Shaillon, which described Bernard's behaviour for the period proximate to the time of contracting, gives me an inclining that Bernard had relapsed at the time of contracting with the plaintiff. He knew what he was doing but the knowledge was based on a mental incapacity which has not been denied. I believe this is where, in common honesty, Bernard should not be made liable or responsible for his conduct as set out in the second principle in Executive Hotel (Pvt) Ltd v Bennet NO SC 2007 (1) ZLR 343 (S).

To that extent, the agreement between the plaintiff and Bernard is invalid.

The second issue is whether the acknowledgment of debt signed by the second defendant is valid.

From the plaintiff's declaration, the second defendant's liability is set out as follows:

“The second defendant herein agreed, on 2 March 2016, to take over the debt due by the first defendant and assumed full responsibility of it; which undertaking the plaintiff agreed and accepted.”

The claim is based on the takeover of the debt incurred by Bernard leading to the signing of the acknowledgment of debt by Shaillon.

The plaintiff sued the second defendant based on the acknowledgement of debt.

It was submitted, for the first defendant, that the acknowledgment of debt resulted in a novation. The Court was referred to the case of Leader Tread Zimbabwe (Pvt) Ltd v Smith HH131-03 where it was held that an intention to novate pre-supposes the existence of a valid existing obligation.

In this regard, since the agreement between Bernard and the plaintiff is invalid, the offer by the first defendant to settle the debt was void ab initio.

A reading of Leader Tread Zimbabwe (Pvt) Ltd v Smith HH131-03 does not support the second defendant's case in its entirety. The court opined that an acknowledgment of debt is a compromise. The court refused to consider the initial agreement because the plaintiff in that case sued on the acknowledgement of debt and not on the original agreement. The court, in that case, cited the sentiments of L.R CARIEY in Law of Novation…, that;

“A compromise (transactio) is a novation, with a difference, however, that a novation on an invalid contract in itself is invalid, but if a compromise is made about a contract the validity of which is in doubt, this cannot be upset on the ground that the contract which was compromised was invalid; the purpose is to replace uncertainty with certainty.

It is a novation designed to effect settlement of a dispute and may be arrived at by novation in the narrower sense of the word or by delegation.”

The sentiments are apposite in this case.

The second defendant, after being made aware of the police's investigations, and how investigations proceed in respect of mentally incapacitated persons, she offered to pay the debt to avoid the incarceration of her brother. The debtor was therefore replaced. This is a case of delegation.

Delegation is a form of novation in which, by agreement between all parties concerned, a third party is introduced as debtor in substitution of the original debtor, who is discharged; R H CHRISTIE in Business Law in Zimbabwe, 1998…,.

The second defendant entered into a new agreement in which she took over the debt. The parties came up with a payment plan which she breached in due course. This agreement is not dependent on the validity of the agreement between the plaintiff and Bernard. Indeed, in Leader Tread Zimbabwe (Pvt) Ltd v Smith HH131-03 the court even declined to consider the illegality or otherwise of the initial contract because the acknowledgment of debt was held not to be dependent on it. Similarly, the validity or otherwise of the agreement between Bernard and the plaintiff is irrelevant.

Accordingly, the following order is made;

1. That judgment be and is hereby entered in favour of the plaintiff for the payment of $13,868=90 by the second defendant together with interest at the rate of 3.5% from 1 April 2016 to the date of payment in full.

2. Defendant to pay costs.

Debt re: Acknowledgement of Debt or Liquid Document, the Acceptance of Liability and the Claim on Stated Account


The plaintiff issued summons against the defendants claiming payment of US$13,868=90 for car rental charges due to the plaintiff and interest thereon at the rate of 3.5% from 1 April 2016 to date of full payment.

The undisputed facts are that the first defendant entered into a car hire agreement with the plaintiff in October 2015. In terms of the agreement, he was issued with a motor vehicle, a Ford Everest, that he used and was expected to make payments. He failed to do so until the motor vehicle was withdrawn from him.

The plaintiff had to seek the services of the police for the first defendant to return the motor vehicle. The plaintiff laid criminal charges against the first defendant. The second defendant, a sister to the first defendant, offered to settle the debt and the criminal charges were withdrawn.

In due course, the second defendant withdrew the offer to settle the debt. It is then that the summons was issued. The second defendant applied for the appointment of a curator ad litem over the first defendant.

On 17 March 2017 a provisional order was granted. No final order was sought by the second defendant.

As a result of the appointment of the curator ad litem persona the plaintiff withdrew its claim against the first defendant.

This trial therefore relates to the second defendant only.

At the pre-trial conference meeting held after the withdrawal of charges against the first defendant the parties agreed that the following issues would determine the case;

1. Whether or not the agreement entered into between the first defendant and the plaintiff was valid.

2. Whether the obligation assumed by the second defendant in an acknowledgement of debt and payment plan dated 2 March 2016 is valid and binding.

The plaintiff led evidence through two witnesses.

Trevor Chakawata “Trevor” gave evidence first; he is the Operation Manager at plaintiff company.

He said the first defendant,, Bernard, entered into a monthly rental contract of a motor vehicle in October 2015 with the plaintiff. Payments were done on a monthly basis. Bernard went to Binga in December 2015. He wanted to make a pre-payment but the network was down; no payment was made. While in Binga, Bernard was reminded of the unpaid bill; he advised Trevor to use his credit card he had left with the plaintiff to pay off the amount due, however, the credit card was blocked. Trevor said he communicated with Bernard on the phone by voice calls and text messages. When the payment was not made, Trevor advised Bernard to return the car. Bernard promised to do so but did not return the car. He then reported the matter to the police. He advised Bernard of the police report; Bernard was surprised at this turn of events as he questioned why the matter was reported yet he was a reliable customer.

The police communicated with Bernard who promised to return the car in a week's time. He did not. The police then opened a docket.

Trevor then advised Bernard that the matter had been handed over to the police. Bernard came to Harare in February 2016. He advised the police that he had returned the car and promised to settle the bill the following day. On the following day he did not turn up at the police station where Bernard and Trevor were supposed to meet. Trevor and the policeman went to his residence where they were referred to Mr Chanakira, who also referred them to Mrs Chanakira. They called Mrs Chanakira who agreed to meet them in Eastlea. At the meeting, after being told about the case, Mrs Chanakira, the second defendant, advised them that Bernard had a mental problem. When the policeman advised her of the criminal charges against Bernard and how the police deal with mentally ill accused persons, Mrs Chanakira offered to settle the bill.

Trevor said he advised her to put the offer in writing. This was done. In terms of that offer, she was to pay $1,000 a month from March 2016 until the debt was fully paid. She did not pay anything.

Initially, on being asked about the payment, she said she was in South Africa. However, later, Mr Chanakira called Trevor and said they should leave Mrs Chanakira but pursue Bernard who was well and was selling cell phones in town. Eventually, Mrs Chanakira withdrew the offer to settle the bill.

Trevor denied that at the time of contracting, Bernard was mentally incapacitated. He said Bernard knew that every month end he was supposed to pay - and he did. The car that he hired, a Ford Everest, is a unique car such that if one is of an unsound mind he could not drive it - but he did. In December, he was double billed and he was able to pick it; this cannot be done by a mentally incapacitated person.

He also said the acknowledgement of debt by Mrs Chanakira was valid because she offered to pay the debt. The acknowledgement of debt was drafted by her lawyers.

Mrs Chanakira asked them to leave Bernard she would pay the debt. The police could not confirm Bernard's mental capacity through their processes because Mrs Chanakira undertook to pay the debt.

Under cross examination, he said he saw Bernard when he signed the initial agreement and he looked normal. He also said a report from Parirenyatwa Annex Hospital indicated that Bernard had a history of mental disorder. He was not sure why the matter was withdrawn against Bernard. He confirmed that the undertaking was made on the understanding that Bernard was mentally unstable.

The second witness was Constable Nelson Mungati whose evidence was to the following effect;

He is a member of the Zimbabwe Republic Police with fifteen years in service stationed at R.G. Mugabe Airport. He received a report in this case and opened a docket. He phoned Bernard who indicated he was stuck in Gokwe but will return the car. On 7 February 2016 Bernard phoned him advising that he had returned the car. This was confirmed by Trevor Chakawata (Trevor).

When the bill remained unsettled he proceeded to Bernard's residence in the company of Trevor. They were referred to Mr Chanakira who referred them to Mrs Chanakira. They arranged to meet. When they met, he advised Mrs Chanakira about the investigations. She advised him that Bernard was of an unsound mind and offered to settle the bill. It took some time for the acknowledgment of debt to be drawn up; when it was submitted he advised his superiors. He was advised to check at Parirenyatwa Annex Hospital if the history is documented. He made a formal request for the report; he did not get it but was given a record that showed that Bernard was detained some time at the hospital.

Under cross examination he said, from his physical appearance, Bernard did not exhibit signs of mental incapacity. He said after explaining the process of dealing with mentally incapacitated persons to Mrs Chanakira, Mrs Chanakira offered to settle the bill to save Bernard from incarceration. He then summarised the docket and closed it.

Eventually, he learnt that Bernard had been hospitalized. The plaintiff then closed its case.

The second defendant, 'Shaillon' (Mrs Chanakira), called two witnesses in evidence. She gave evidence first.

She is Bernard's brother and she was staying with him. On a date she cannot remember she was phoned by a police officer looking for Bernard. She was advised that Bernard was wanted for a car rental matter. She agreed to meet the police officer and Trevor. The police officer explained that Bernard would be arrested and detained at Chikurubi until the investigations were over. She did not want to see her brother detained; she had lost another brother who had a similar mental condition. He advised the officer that Bernard had a mental disorder. She then offered to settle the bill to avoid the incarceration of Bernard.

They came to an understanding; an acknowledgment of debt was prepared and signed leading to the release of Bernard.

She said his mental condition caused him to think that he had a lot of money and he became irresponsible with money. At one time she met Bernard at the South African border with an agreement of sale to buy a house and an agreement to buy a Mercedes Benz in South Africa. He said he was to pay the money after the British government paid him his millions of pounds that it owed him.

She said his mental condition started when he was about 20-22 years, and, at the time, he was 33 years. He is a Parirenyatwa Annex patient.

She confirmed that she signed the acknowledgement of debt, but it was under pressure from the police officer.

She later withdrew the offer after receiving advice that people like Bernard, with mental incapacities, are not liable at law.

Bernard was on medication, and, when he adhered to his medication, he was fine. If he defaulted, he would relapse and became withdrawn, very violent, and would exhibit a lot of strength; at one time he emptied a swimming pool overnight using a bucket.

After this incident she caused a curator to be appointed, the court order was produced as an exhibit. She said she was not indebted to the plaintiff because she withdrew her offer.

Under cross-examination, she said she signed the acknowledgment of debt to avert the incarceration of Bernard. She said Bernard stayed with her for about six years; he would do some home chores and escort their driver on errands. Bernard received a stipend from the family in cash. He was usually treated in South Africa. She denied that Bernard operated a cell phone shop. She saw Bernard with the Ford Everest and was told it belonged to a friend whom Bernard was assisting in a mining venture. She did not probe further because, at that time, he had become withdrawn; he was not bathing, not changing clothes, and would not come home at times.

This was over three months.

She could not probe too much about his behaviour because he turned violent if put under pressure - at one time he stabbed her daughter.

She could not confirm or deny that Bernard went to Binga and Gokwe.

In respect of the appointment of the curator, she confirmed that she was the applicant and that after obtaining the provisional order she did not do anything.

On re-examination, she said it was unnecessary to have a report on Bernard's capacity since the matter had been withdrawn against him.

The second witness was Dr Patience Maunganidze. She is a medical doctor, a psychiatrist, based at Parirenyatwa Psychiatrist Unit. She wrote a letter setting out Bernard's condition based on the examination she carried out on Bernard in 2016 and the records kept at the Unit. The letter was produced as an exhibit.

She said Bernard's condition was called bipolar disorder. It's a problem with mood.

Bernard exhibited mania in that he believed he was excessively wealthy. Generally, such persons should not manage their affairs or make decisions but they do so. Under cross-examination, she said when a patient is examined, and an opinion is expressed, it relates only to the time of examination. It does not apply in retrospect or for the future. The assessment in casu was correct only as on 25 October 2016. She did not examine Bernard between August 2015 and August 2016.

She expressed an opinion that if Bernard signed a contract for a car hire and paid the money he could have entered into the agreement with a sound mind. She also said if a patient adheres to medication he or she can lead a normal life.

The defence case was then closed.

I directed counsel for the parties to file written submissions on stated dates.

Counsel for the plaintiff chose not to abide by the timelines. l therefore write the judgment without the benefit of the submissions.

I now determine the issues in view of the evidence and the law.

The first issue turns on whether Bernard had the mental capacity to contract with the plaintiff.

The onus to prove such mental incapacity is on the party relying on it.

The issue whether a contracting party had the requisite mental capacity is a question of fact to be determined by the court. See Blamire's Executrix v Milner and Wirsing 1969 NLR 39. It is for the court to assess the surrounding circumstances of the making of the contract. In Pheasant v Wayne 1922 AD 481…, INNES CJ made the following observation;

“And a court of law called upon to decide a question of contractual liability depending upon mental capacity must determine whether the person concerned was or was not, at the time, capable of managing the particular affair in question – that is to say, whether his mind was such that he could understand and appreciate the transaction into which he purported to enter.”

Case law has established three principles of testing the existence or lack of corpus mentis.

The three principles were summarised succinctly in Executive Hotel (Pvt) Ltd v Bennet NO SC 2007 (1) ZLR 343 (S) that;

1. At the time of contracting was the state of mind of the contracting party whose capacity is at issue such that he was incapable of estimating what was or what was not a fair and beneficial bargain?

2. Was the state of mind of the contracting party whose capacity is at issue such as would, in common honesty, not make him liable or responsible for such an act or contract; and

3. Whether the contracting party whose capacity is at issue was of such unsound mind as to be incapable of understanding and appreciating the transaction into which he purported to enter.

In this case, it is not in dispute that Bernard suffered from a bi-polar mental disorder. He believed he was an important person with a lot of money. He was on medication but would have periods of relapses. He had been admitted into Parirenyatwa Annex Hospital three times. His condition was not easily discernible unless if it is at its peak.

Although Trevor gave evidence that he attended to Bernard when he hired the motor vehicle, I believe Bernard had relapsed.

He used the allowances from the family to hire a top of the range motor vehicle, a Ford Everest. His source of income was the family which income was not consistent according to the first defendant. He lied about the motor vehicle to Shaillon, the second defendant.

Shaillon's evidence on Bernard's conduct, while he had the motor vehicle, is important.

She had stayed with Bernard for about five years and could tell the onset of a relapse. Bernard's mood at home had charged; she could not even cross examine him on the motor vehicle he brought for fear he would turn violent when put under pressure. She was also afraid because at one point in the past he stabbed her daughter. I do not doubt Shaillon's evidence on the conduct of Bernard in so far as his behaviour is concerned and his mental capacity.

However, it was clear that she was untruthful when she said she was under pressure from the police to sign the acknowledgement of debt.

This is because, in her evidence, she set out her love and concern for her brother, Bernard; she did not want him arrested. In fact, it turns out now that she did not want the brother to even go through this court process that is why she applied for the appointment of a curator which process she did not pursue to its logical conclusion when the claim was withdrawn against him. It is therefore unbelievable that the police forced her to sign the acknowledgement of debt.

It is my view that she freely took over the obligation to pay off the debt so that Bernard would not be held liable.

Indeed, this happened, because Bernard was not prosecuted to establish his liability and was not even before this court.

At the time that she signed the acknowledgment of debt, in March 2016, Bernard had been admitted at Parirenyatwa Annex Hospital.

It is my considered view that Bernard's mental incapacity confines itself to the use of money.

His belief that he had a lot of money would naturally lead him to overspend; this case is an example of his mental disorientation. He rented a car which incurred a bill of $13,600, an amount which can buy a car. This is exactly the upshot of his mental condition; he believed he had the money yet he was a man living on inconsistent allowances from the family.

At the time of contracting, Bernard believed, due to his mental disorder, that he had money to meet his obligations.

There was no evidence placed before the court on Bernard's mental condition at the time of contracting.

However, the evidence by Shaillon, which described Bernard's behaviour for the period proximate to the time of contracting, gives me an inclining that Bernard had relapsed at the time of contracting with the plaintiff. He knew what he was doing but the knowledge was based on a mental incapacity which has not been denied. I believe this is where, in common honesty, Bernard should not be made liable or responsible for his conduct as set out in the second principle in Executive Hotel (Pvt) Ltd v Bennet NO SC 2007 (1) ZLR 343 (S).

To that extent, the agreement between the plaintiff and Bernard is invalid.

The second issue is whether the acknowledgment of debt signed by the second defendant is valid.

From the plaintiff's declaration, the second defendant's liability is set out as follows:

“The second defendant herein agreed, on 2 March 2016, to take over the debt due by the first defendant and assumed full responsibility of it; which undertaking the plaintiff agreed and accepted.”

The claim is based on the takeover of the debt incurred by Bernard leading to the signing of the acknowledgment of debt by Shaillon.

The plaintiff sued the second defendant based on the acknowledgement of debt.

It was submitted, for the first defendant, that the acknowledgment of debt resulted in a novation. The Court was referred to the case of Leader Tread Zimbabwe (Pvt) Ltd v Smith HH131-03 where it was held that an intention to novate pre-supposes the existence of a valid existing obligation.

In this regard, since the agreement between Bernard and the plaintiff is invalid, the offer by the first defendant to settle the debt was void ab initio.

A reading of Leader Tread Zimbabwe (Pvt) Ltd v Smith HH131-03 does not support the second defendant's case in its entirety. The court opined that an acknowledgment of debt is a compromise. The court refused to consider the initial agreement because the plaintiff in that case sued on the acknowledgement of debt and not on the original agreement. The court, in that case, cited the sentiments of L.R CARIEY in Law of Novation…, that;

“A compromise (transactio) is a novation, with a difference, however, that a novation on an invalid contract in itself is invalid, but if a compromise is made about a contract the validity of which is in doubt, this cannot be upset on the ground that the contract which was compromised was invalid; the purpose is to replace uncertainty with certainty.

It is a novation designed to effect settlement of a dispute and may be arrived at by novation in the narrower sense of the word or by delegation.”

The sentiments are apposite in this case.

The second defendant, after being made aware of the police's investigations, and how investigations proceed in respect of mentally incapacitated persons, she offered to pay the debt to avoid the incarceration of her brother. The debtor was therefore replaced. This is a case of delegation.

Delegation is a form of novation in which, by agreement between all parties concerned, a third party is introduced as debtor in substitution of the original debtor, who is discharged; R H CHRISTIE in Business Law in Zimbabwe, 1998…,.

The second defendant entered into a new agreement in which she took over the debt. The parties came up with a payment plan which she breached in due course. This agreement is not dependent on the validity of the agreement between the plaintiff and Bernard. Indeed, in Leader Tread Zimbabwe (Pvt) Ltd v Smith HH131-03 the court even declined to consider the illegality or otherwise of the initial contract because the acknowledgment of debt was held not to be dependent on it. Similarly, the validity or otherwise of the agreement between Bernard and the plaintiff is irrelevant.

Accordingly, the following order is made;

1. That judgment be and is hereby entered in favour of the plaintiff for the payment of $13,868=90 by the second defendant together with interest at the rate of 3.5% from 1 April 2016 to the date of payment in full.

2. Defendant to pay costs.

MUZOFA J: The plaintiff issued summons against the defendants claiming payment of US$13,868.90 for car rental charges due to the plaintiff and interest thereon at the rate of 3.5% from 1 April 2016 to date of full payment.

The undisputed facts are that the first defendant entered into a car hire agreement with the plaintiff in October 2015. In terms of the agreement he was issued with a motor vehicle a Ford Everest that he used and was expected to make payments. He failed to do so until the motor vehicle was withdrawn from him.

The plaintiff had to seek the services of the police for the first defendant to return the motor vehicle. The plaintiff laid criminal charges against the first defendant. The second defendant, a sister to first defendant offered to settle the debt and the criminal charges were withdrawn.

In due course the second defendant withdrew the offer to settle the debt. It is then that the summons was issued. The second defendant applied for the appointment of a curator ad litem over the first defendant.

On 17 March 2017 a provisional order was granted. No final order was sought by the second defendant.

As a result of the appointment of the curator ad litem persona plaintiff withdrew its claim against the first defendant.

This trial therefore relate to the second defendant only.

At the pre-trial conference meeting held after the withdrawal of charges against the first defendant the parties agreed that the following issues would determine the case.

1. Whether or not the agreement entered into between the first defendant and the plaintiff was valid.

2. Whether the obligation assumed by the second defendant in an acknowledgement of debt and payment plan dated 2 March 2016 is valid and binding.

The plaintiff led evidence through two witnesses.

Trevor Chakawata “Trevor” gave evidence first; he is the operation manager at Plaintiff Company.

He said the first defendant 'Bernard” entered into a monthly rental contract of a motor vehicle in October 2015 with the plaintiff. Payments were done on a monthly basis. Bernard went to Binga in December 2015. He wanted to make a pre-payment but the network was down, no payment was made. While in Binga Bernard was reminded of the unpaid bill he advised Trevor to use his credit card he had left with plaintiff to pay off the amount due however the credit card was blocked. Trevor said he communicated with Bernard on the phone by voice calls and text messages. When the payment was not made, Trevor advised Bernard to return the car. Bernard promised to do so but did not return the car. He then reported the matter to the police. He advised Bernard of the police report, Bernard was surprised at this turn of events as he questioned why the matter was reported yet he was a reliable customer.

The police communicated with Bernard who promised to return the car in a week's time. He did not. The police then opened a docket.

Trevor then advised Bernard that the matter had been handed over to the police. Bernard came to Harare in February 2016. He advised the Police that he had returned the car and promised to settle the bill the following day. On the following day he did not turn up at the police station where Bernard and Trevor were supposed to meet. Trevor and the policeman went to his residence where they were referred to Mr Chanakira, who also referred them to Mrs Chanakira. They called Mrs Chanakira who agreed to meet them in Eastlea. At the meeting after being told about the case Mrs Chanakira the second defendant advised them that Bernard had a mental problem. When the policeman advised her of the criminal charges against Bernard and how the police deal with mentally ill accused persons, Mrs Chanakira offered to settle the bill.

Trevor said he advised her to put the offer in writing. This was done; in terms of that offer she was to pay $1,000 a month from March 2016 until the debt was fully paid. She did not pay anything.

Initially on being asked about the payment she said she was in South Africa. However later Mr Chanakira called Trevor and said they should leave Mrs Chanakira but pursue Bernard who was well and was selling cell phones in town. Eventually Mrs Chanakira withdrew the offer to settle the bill.

Trevor denied that at the time of contracting, Bernard was mentally incapacitated. He said Bernard knew that every month end he was supposed to pay and he did. The car that he hired a Ford Everest is a unique car such that if one is of an unsound mind he could not drive it, but he did. In December he was double billed and he was able to pick it this cannot be done by a mentally incapacitated person.

He also said the acknowledgement of debt by Mrs Chanakira was valid because she offered to pay the debt. The acknowledgement of debt was drafted by her lawyers.

Mrs Chanakira asked them to leave Bernard she would pay the debt. The police could not confirm Bernard's mental capacity through their processes because Mrs Chanakira undertook to pay the debt.

Under cross examination he said he saw Bernard when he signed the initial agreement and he looked normal. He also said a report from Parirenyatwa Annex Hospital indicated that Bernard had a history of mental disorder. He was not sure why the matter was withdrawn against Bernard. He confirmed that the undertaking was made on the understanding that Bernard was mentally unstable.

The second witness was Constable Nelson Mungati whose evidence was to the following effect.

He is a member of the Zimbabwe Republic Police with fifteen years in service stationed at R.G. Mugabe Airport. He received a report in this case and opened a docket. He phoned Bernard who indicated he was struck in Gokwe but will return the car. On 7 February 2016 Bernard phoned him advising that he had returned the car. This was confirmed by Trevor.

When the bill remained unsettled he proceeded to Bernard's residence in the company of Trevor. They were referred to Mr Chanakira who referred them to Mrs Chanakira. They arranged to meet. When they met, he advised Mrs Chanakira about the investigations. She advised him that Bernard was of an unsound mind and offered to settle the bill. It took some time for the acknowledgment of debt to be drawn up when it was submitted he advised his superiors. He was advised to check at Parirenyatwa Annex Hospital if the history is documented. He made a formal request for the report; he did not get it but was given a record that showed that Bernard was detained some time at the hospital.

Under cross examination he said from his physical appearance Bernard did not exhibit signs of mental incapacity. He said after explaining the process of dealing with mentally incapacitated persons to Mrs Chanakira, Mrs Chanakira offered to settle the bill to save Bernard from incarceration. He then summarised the docket and closed it.

Eventually he learnt that Bernard had been hospitalized. The plaintiff then closed its case.

The second defendant 'Shaillon' (Mrs Chanakira) called two witnesses in evidence. She gave evidence first.

She is Bernard's brother and she was staying with him. On a date she cannot remember she was phoned by a police officer looking for Bernard. She was advised that Bernard was wanted for a car rental matter. She agreed to meet the police officer and Trevor. The police officer explained that Bernard would be arrested and detained at Chikurubi until the investigations were over. She did not want to see her brother detained, she had lost another brother who had a similar mental condition. He advised the officer that Bernard had a mental disorder. She then offered to settle the bill to avoid the incarceration of Bernard.

They came to an understanding, an acknowledgment of debt was prepared and signed leading to the release of Bernard.

She said his mental condition caused him to think that he had a lot of money and he became irresponsible with money. At one time she met Bernard at the South African border with an agreement of sale to buy a house and an agreement to buy a Mercedes Benz in South Africa. He said he was to pay the money after the British government paid him his millions of pounds that it owed him.

She said his mental condition started when he was about 20-22 years and at the time he was 33 years. He is a Parirenyatwa Annex patient.

She confirmed that she signed the acknowledgement of debt, but it was under pressure from the police officer. She later withdrew the offer after receiving advice that people like Bernard with mental incapacities are not liable at law.

Bernard was on medication and when he adhered to his medication he was fine. If he defaulted he would relapse and became withdrawn, very violent and would exhibit a lot of strength, at one time he emptied a swimming pool overnight using a bucket.

After this incident she caused a curator to be appointed, the court order was produced as an exhibit. She said she was not indebted to the plaintiff because she withdrew her offer.

Under cross examination she said she signed the acknowledgment of debt to avert the incarceration of Bernard. She said Bernard stayed with her for about six years; he would do some home chores and escort their driver on errands. Bernard received a stipend from the family in cash. He was usually treated in South Africa. She denied that Bernard operated a cell phone shop. She saw Bernard with the Ford Everest and was told it belonged to a friend whom Bernard was assisting in a mining venture. She did not probe further because at that time he had become withdrawn; he was not bathing, not changing clothes and would not come home at times.

This was over three months.

She could not probe too much about his behaviour because he turned violent if put under pressure - at one time he stabbed her daughter.

She could not confirm or deny that Bernard went to Binga and Gokwe.

In respect of the appointment of the curator she confirmed that she was the applicant and that after obtaining the provisional order she did not do anything.

On re-examination she said it was unnecessary to have a report on Bernard's capacity since the matter had been withdrawn against him.

The second witness was Dr Patience Maunganidze. She is a medical doctor, a psychiatrist based at Parirenyatwa Psychiatrist Unit. She wrote a letter setting out Bernard's condition based on the examination she carried out on Bernard in 2016 and the records kept at the Unit. The letter was produced as an exhibit.

She said Bernard's condition was called bipolar disorder. It's a problem with mood. Bernard exhibited mania in that he believed he was excessively wealthy. Generally such persons should not manage their affairs or make decisions but they do so. Under cross-examination, she said when a patient is examined and an opinion is expressed it relates only to the time of examination. It does not apply in retrospect or for the future. The assessment in casu was correct only as on 25 October 2016. She did not examine Bernard between August 2015 and August 2016.

She expressed an opinion that if Bernard signed a contract for a car hire and paid the money he could have entered into the agreement with a sound mind. She also said if a patient adheres to medication he or she can lead a normal life.

The defence case was then closed.

I directed counsel for the parties to file written submissions on stated dates.

Counsel for the plaintiff chose not to abide by the timelines. l therefore write the judgment without the benefit of the submissions.

I now determine the issues in view of the evidence and the law.

The first issue turns on whether Bernard had the mental capacity to contract with the plaintiff.

The onus to prove such mental incapacity is on the party relying on it.

The issue whether a contracting party had the requisite mental capacity is a question of fact to be determined by the court. See Blamire's Executrix v Milner and Wirsing 1969 NLR 39. It is for the court to assess the surrounding circumstances of the making of the contract. In Pheasant v Wayne 1922 AD 481 at p 488 INNES CJ made the following observation;

And a court of law called upon to decide a question of contractual liability depending upon mental capacity must determine whether the person concerned was or was not at the time capable of managing the particular affair in question – that is to say whether his mind was such that he could understand and appreciate the transaction into which he purported to enter.”

Case law has established three principles of testing the existence or lack of corpus mentis.

The three principles were summarised succinctly in Executive Hotel (Pvt) Ltd v Bennet NO SC 2007 (1) ZLR 343 (S) that;

1. At the time of contracting was the state of mind of the contracting party whose capacity is at issue such that he was incapable of estimating what was or what was not a fair and beneficial bargain?

2. Was the state of mind of the contracting party whose capacity is at issue such as would in common honesty not make him liable or responsible for such an act or contract; and

3. Whether the contracting party whose capacity is at issue was of such unsound mind as to be incapable of understanding and appreciating the transaction into which he purported to enter.

In this case, it is not in dispute that Bernard suffered from a bi-polar mental disorder. He believed he was an important person with a lot of money. He was on medication but would have periods of relapses. He had been admitted into Parirenyatwa Annex Hospital three times. His condition was not easily discernible unless if it is at its peak.

Although Trevor gave evidence that he attended to Bernard when he hired the motor vehicle, I believe Bernard had relapsed.

He used the allowances from the family to hire a top of the range motor vehicle a Ford Everest. His source of income was the family which income was not consistent according to first defendant. He lied about the motor vehicle to Shaillon defendant.

Shaillon's evidence on Bernard's conduct while he had the motor vehicle is important.

She had stayed with Bernard for about five years and could tell the onset of a relapse. Bernard's mood at home had charged, she could not even cross examine him on the motor vehicle he brought for fear he would turn violent when put under pressure. She was also afraid because at one point in the past he stabbed her daughter. I do not doubt Shaillon's evidence on the conduct of Bernard in so far as his behaviour is concerned and his mental capacity.

However it was clear that she was truthful when she said she was under pressure from the police to sign the acknowledgement of debt.

This is because in her evidence she set out her love and concern for her brother Bernard, she did not want him arrested. In fact it turns out now that she did not want the brother to even go through this court process that is why she applied for the appointment of a curator which process she did not pursue to its logical conclusion when the claim was withdrawn against him. It is therefore unbelievable that the police forced her to sign the acknowledgement of debt. It is my view that she freely took over the obligation to pay off the debt so that Bernard would not be held liable.

Indeed this happened because Bernard was not prosecuted to establish his liability and was not even before this court.

At the time that she signed the acknowledgment of debt in March 2016, Bernard had been admitted at Parirenyatwa Annex Hospital.

It is my considered view that Bernard's mental incapacity confines itself to the use of money.

His belief that he had a lot of money would naturally lead him to overspend, this case is an example of his mental disorientation, he rented a car which incurred a bill of $13,600 an amount which can buy a car. This is exactly the upshot of his mental condition; he believed he had the money yet he was a man living on inconsistent allowances from the family.

At the time of contracting, Bernard believed, due to his mental disorder that he had money to meet his obligations.

There was no evidence placed before the court on Bernard's mental condition at the time of contracting.

However the evidence by Shaillon which described Bernard's behaviour for the period proximate to the time of contracting gives me an inclining that Bernard had relapsed at the time of contracting with the plaintiff. He knew what he was doing but the knowledge was based on a mental incapacity which has not been denied. I believe this is where in common honesty Bernard should not be made liable or responsible for his conduct as set out in the second principle in the Executive Hotel case (supra).

To that extent the agreement between the plaintiff and Bernard is invalid.

The second issue is whether the acknowledgment of debt signed by the second defendant is valid.

From the plaintiff's declaration, the second defendant's liability is set out as follows:

The second defendant herein agreed on 2 March 2016 to take over the debt due by the first defendant and assumed full responsibility of it which undertaking the plaintiff agreed and accepted.”

The claim is based on the takeover of the debt incurred by Bernard leading to the signing of the acknowledgment of debt by Shaillon.

Plaintiff sued second defendant based on the acknowledgement of debt.

It was submitted for the first defendant that the acknowledgment of debt resulted in a novation. The Court was referred to the case of Leader Tread Zimbabwe (Pvt) Ltd v Smith HH131/03 where it was held that an intention to novate presupposes the existence of a valid existing obligation.

In this regard since the agreement between Bernard and the plaintiff is invalid the offer by the first defendant to settle the debt was void ab initio.

A reading of the Leader Tread case (supra) does not support the second defendant's case in its entirety. The court opined that an acknowledgment of debt is a compromise. The court refused to consider the initial agreement because the plaintiff in that case sued on the acknowledgement of debt and not on the original agreement. The court in that case cited the sentiments of L.R Cariey in Law of Novation at page 44 that;

A compromise (transactio) is a novation, with a difference, however, that a novation on an invalid contract in itself is invalid, but if a compromise is made about a contract the validity of which is in doubt, this cannot be upset on the ground that the contract which was compromised was invalid; the purpose is to replace uncertainty with certainty.

It is a novation designed to effect settlement of a dispute and may be arrived at by novation in the narrower sense of the word or by delegation.”

The sentiments are apposite in this case.

The second defendant after being made aware of the police's investigations and how investigations proceed in respect of mentally incapacitated persons she offered to pay the debt to avoid the incarceration of her brother. The debtor was therefore replaced. This is a case of delegation.

Delegation is a form of novation in which by agreement between all parties concerned a third party is introduced as debtor in substitution of the original debtor, who is discharged R H Christie in Business Law in Zimbabwe, 1998 at page 110.

Second defendant entered into a new agreement in which she took over the debt. The parties came up with a payment plan which she breached in due course. This agreement is not dependent on the validity of the agreement between plaintiff and Bernard. Indeed in the Leader Tread case (supra) the court even declined to consider the illegality or otherwise of the initial contract because the acknowledgment of debt was held not to be dependent on it. Similarly the validity or otherwise of the agreement between Bernard and the plaintiff is irrelevant.

Accordingly the following order is made;

1. That judgment be and is hereby entered in favour of the plaintiff for the payment of $13,868.90 by the second defendant together with interest at the rate of 3.5% from 1 April 2016 to the date of payment in full.

2. Defendant to pay costs.











Wintertons, Plaintiff's legal practitioners

Mhishi Legal Practice, defendant's legal practitioners

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