<Li> Antons Trawling Co Ltd v Smith, Baragwanath J, "The importance of consideration is as a valuable signal that the parties intend to be bound by their agreement, rather than an end in itself . Where the parties who have already made such intention clear by entering legal relations have acted upon an agreement to a variation, in the absence of policy reasons to the contrary, they should be bound by their agreement ." </Li> <Li> UNIDROIT Principles (2004) Article 2.1. 2 and 3.2 </Li>

When is consideration not required for a contract made under english law