Drawing on a rich and diverse legal heritage, Unjustified Enrichment provides a comprehensive and clearly structured exposition and an in-depth evaluation of the South African law of unjustified enrichment. The book analyses each of the general elements of enrichment liability, and suggests a manageable way of dealing with the intractable problems that arise in the context of indirect or multi-party enrichment.

PART I: INTRODUCTION, HISTORY AND GENERAL PRINCIPLES

• General introduction
• The classification of the law of unjustified enrichment
• The internal structure of enrichment liability

PART II: THE DIFFERENT FORMS OF ENRICHMENT LIABILITY

• Enrichment by transfer: General principles
• Reversing an undue transfer:
• Transfer of money or property to fulfil a putative obligation ('mistaken payment')
• Transfer of money or property under compulsion
• Transfer of money or property in terms of an illegal agreement
• Knowing transfer of money or property in terms of a void (but not illegal) contract to achieve a specific purpose
  Reversing transfers in the context of failed contracts
• Imposed enrichment (Enrichment due to unauthorised expenditure)
• Enrichment by invasion of the rights of others (Enrichment by act of the party enriched)

PART III: DEFENCES

• Defences: loss of enrichment; estoppel; passing-on; and prescription