PVL 3704 enrich study guide - 2008 University of South...

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# 2008 University of South Africa All rights reserved Printed and published by the University of South Africa Muckleneuk, Pretoria PVL3043/1/2009–2011 98312502 PLW4-Style
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CONTENTS Study unit Page GENERAL INTRODUCTION vi 1 GENERAL OVERVIEW 1 1.1 Introduction to unjustified enrichment 1 1.1.1 Enrichment as a source of obligation 2 1.1.2 The necessity for enrichment liability 4 1.1.3 Historical developments 5 1.1.4 Development of general principles in South African law 7 2 GENERAL REQUIREMENTS FOR ENRICHMENT LIABILITY 11 2.1 Introduction 13 2.2 General requirements for enrichment liability 14 2.2.1 The defendant must be enriched 14 2.2.2 The plaintiff must be impoverished 16 2.2.3 The defendant’s enrichment must have been at the expense of the plaintiff 17 2.2.4 The enrichment must have been sine causa (unjustified) 21 2.3 Nature and extent of enrichment claims 24 3 CONDICTIO INDEBITI: GENERAL REQUIREMENTS 28 3.1 Introduction 30 3.2 Roman law 30 3.3 Roman-Dutch law 32 3.4 Application in South African law 32 4 CONDICTIO INDEBITI: SPECIFIC APPLICATIONS 41 4.1 Introduction 43 4.2 Statutory enrichment action: Alienation of Land Act 43 4.3 The condictio indebiti and the law of succession 45 4.4 The condictio indebiti and the law of insolvency 48 4.5 Ultra vires payments and the condictio indebiti 49 4.6 Payments under duress and protest 49 4.7 Cheque payments and the condictio indebiti 50 iii
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Study unit Page 5 CONDICTIO OB TURPEM VEL INIUSTAM CAUSAM 53 5.1 Introduction 54 5.21 Roman law 55 5.3 Roman-Dutch law 55 5.4 Application in South African law 55 6 CONDICTIO CAUSA DATA CAUSA NON SECUTA 61 6.1 Introduction 62 6.2 Roman law 62 6.3 Roman-Dutch law 64 6.4 Application in South African law 64 6.4.1 Suspensive and resolutive conditions 64 6.4.2 Unfulfilled assumptions 65 6.4.3 A modus 65 6.4.4 Breach of contract cases 66 7 CONDICTIO SINE CAUSA SPECIALIS 68 7.1 Introduction 70 7.2 Roman law 70 7.3 Roman-Dutch law 71 7.4 Application in South African law 72 7.5 Application of the condictio indebiti in the law of bills of exchange 73 8 NEGOTIORUM GESTIO 79 8.1 Introduction 81 8.2 Roman law 81 8.3 Roman-Dutch law 82 8.4 Application in South African law 83 8.4.1 True management of affairs action (actio negotiorum gestorum contraria) 83 8.4.2 Extended management of affairs action (actio negotiorum gestorum utilis) 85 8.4.3 True nature of the extended action 90 9 ENRICHMENT BY MEANS OF IMPROVEMENTS AND ATTACHMENTS (ACCESSIO) 96 9.1 Introduction 98 9.2 Roman law 99 9.3 Roman-Dutch law 100 iv
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Study unit Page 9.4 South African law 103 9.4.1 General 103 9.4.2 Bona fide possessor 103 9.4.3 Mala fide possessor 107 10 ENRICHMENT BY MEANS OF IMPROVEMENTS AND ATTACHMENTS (ACCESSIO) — CONTINUED 111 10.1 Introduction 113 10.2 Occupiers and holders (detentores) 114 10.2.1 Legal occupiers/holders 114 10.2.2 Bona fide occupiers/holders 118 10.2.3 Mala fide occupiers/holders 120 10.3 Occupiers/holders at will (precario habens) 121 11 RIGHTS OF RETENTION AND LIENS 124 11.1 Introduction 126 11.2 Impensae necessariae 127 11.3 Impensae utiles 128 11.4 Impensae voluptuariae 128 12 ENRICHMENT ACTION AGAINST AND BY MINORS 130 12.1 Introduction 131 12.2 Roman and Roman-Dutch law 131 12.3 South African law 132 13
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