, PVL3704 ASSIGNMENT 1 SEMESTER 2 2026
DUE DATE: 17 AUGUST 2026
Question 1:
The Requirement that Enrichment Must Be Sine Causa
One of the essential requirements for a successful claim based on unjustified enrichment is
that the defendant's enrichment must have been sine causa, meaning "without legal cause" or
"without legal justification". This requirement ensures that a person is only required to
restore a benefit where there is no valid legal ground entitling them to retain it.
A legal cause (causa) may arise from a valid contract, legislation, a court order, or a lawful
donation. Where one of these legal grounds exists, the enrichment is justified and cannot
ordinarily be reclaimed through an enrichment action. However, if no valid legal basis exists,
or where the legal basis subsequently falls away, the enrichment is regarded as sine causa
and restitution may be claimed.1
The Supreme Court of Appeal in Buzzard Electrical (Pty) Ltd v 158 Jan Smuts Avenue
Investments (Pty) Ltd confirmed that an enrichment claim can only succeed where the
defendant has been enriched without a legal ground for retaining the benefit.2 The court
stressed that enrichment liability depends on the absence of a recognised legal justification
rather than merely the receipt of a benefit.
A common example is where money is paid by mistake. If a person mistakenly pays another
believing that a debt exists when in fact none is owing, the recipient has no legal entitlement
to keep the money. Since there is no valid legal cause supporting the payment, the payer may
recover the amount through the condictio indebiti.3 Likewise, where performance is made
1
J Sonnekus and JL Neels Unjustified Enrichment in South African Law (2nd edn, LexisNexis 2016) 25.
2
Buzzard Electrical (Pty) Ltd v 158 Jan Smuts Avenue Investments (Pty) Ltd 1996 (4) SA 19 (A).
3
Willis Faber Enthoven (Pty) Ltd v Receiver of Revenue 1992 (4) SA 202 (A).
DUE DATE: 17 AUGUST 2026
Question 1:
The Requirement that Enrichment Must Be Sine Causa
One of the essential requirements for a successful claim based on unjustified enrichment is
that the defendant's enrichment must have been sine causa, meaning "without legal cause" or
"without legal justification". This requirement ensures that a person is only required to
restore a benefit where there is no valid legal ground entitling them to retain it.
A legal cause (causa) may arise from a valid contract, legislation, a court order, or a lawful
donation. Where one of these legal grounds exists, the enrichment is justified and cannot
ordinarily be reclaimed through an enrichment action. However, if no valid legal basis exists,
or where the legal basis subsequently falls away, the enrichment is regarded as sine causa
and restitution may be claimed.1
The Supreme Court of Appeal in Buzzard Electrical (Pty) Ltd v 158 Jan Smuts Avenue
Investments (Pty) Ltd confirmed that an enrichment claim can only succeed where the
defendant has been enriched without a legal ground for retaining the benefit.2 The court
stressed that enrichment liability depends on the absence of a recognised legal justification
rather than merely the receipt of a benefit.
A common example is where money is paid by mistake. If a person mistakenly pays another
believing that a debt exists when in fact none is owing, the recipient has no legal entitlement
to keep the money. Since there is no valid legal cause supporting the payment, the payer may
recover the amount through the condictio indebiti.3 Likewise, where performance is made
1
J Sonnekus and JL Neels Unjustified Enrichment in South African Law (2nd edn, LexisNexis 2016) 25.
2
Buzzard Electrical (Pty) Ltd v 158 Jan Smuts Avenue Investments (Pty) Ltd 1996 (4) SA 19 (A).
3
Willis Faber Enthoven (Pty) Ltd v Receiver of Revenue 1992 (4) SA 202 (A).
