Contracts ;
Restitution ; Porter v. Latec Finance (Qld) Pty. Ltd. (1964) 111 C.L.R. 177 ; Bilbie v. Lumley (1802) 2 East 469 ;
Pavey & Matthews Pty. Ltd. v. Paul (1987) 162 C.L.R. 221 ; ANZ Banking Group Ltd. v. Westpac Banking Corp (1988) 164 C.L.R. 662 ; York Air Conditioning & Refrigeration (Australasia) Pty. Ltd. v. TheCommonwealth (1949) 80 C.L.R. 30 ; Werrin v. The Commonwealth (1938) 59 C.L.R. 150 ; South Australian Cold Stores Ltd. v. Electricity Trust of South Australia(1982) 41 A.L.R. 551 ; Barclays Bank v. W.J. Simm Ltd. [1980] Q.B. 677 ;