Samsoondar v Capital Insurance and Surrey Co Co v NHS Lincolnshire CCG – Part 3 – Causes of Action: Compulsory Discharge of the Debt of Another; and Policy
This is the third post (in a series of seven; see also parts I, II, IV, V, VI and VII) discussing Samsoondar v Capital Insurance Company Ltd (Trinidad and Tobago) [2020] UKPC 33 (14 December 2020) (Samsoondar) and Surrey County Council v NHS Lincolnshire Clinical Commissioning Group [2020] EWHC 3550 (QB) (21 December 2020) (Surrey). In my first post, I introduced the cases and issues. A claim to restitution for unjust enrichment failed in the first but succeeded in the second. In my second post, I examined whether the defendants were enriched at the expense of the plaintiffs. In this post, and the next two (see parts IV and V), I want to examine whether any such enrichment was unjust.
On the question of whether the enrichment was unjust – that is to say, on the question of whether there is a cause of action or ground for restitution – the same issue arose in both cases. A plaintiff who has been compelled to discharge the debt of another can have restitution from that other in the amount of that enrichment (Moule v Garrett (1872) LR 7 Exch 101; Brooks Wharf v Goodman [1937] 1 KB 543; East Cork Foods v O’Dwyer Steel [1978] IR 103 (SC); Goodman v Minister for Finance [1999] 3 IR 356, [1999] IEHC 197 (8 October 1999) (Laffoy J); Bell Lines v Waterford Multiport Ltd [2006] IEHC 188 (28 April 2006) (Dunne J), rvsd [2010] IESC 15 (18 March 2010) (noted here and here)).…