The law of contract is concerned about the legal enforceability of promises. Law of Contracts. 1.Definition and Forms of contracts. Main elements or requirements of a valid contract. There should be a valid offer and acceptance. Law of Contracts in Sri Lanka specific mixture of English law with roman dutch law . Pptx - Download as a PDF or view online for free. Sources of contract law in Sri Lanka and the interface of RDL and EL. At the outset, it is important to note that contract law in Sri Lanka is part of the. (1) Nothing in sections 3, 4 and 5 shall apply to, or in relation to, a contract specified in the First Schedule to this. Act. Chapter 2 – Contract Law.