<P> The United Nations Convention on Contracts for the International Sale of Goods ( CISG ; the Vienna Convention ) is a treaty that is a uniform international sales law . It has been ratified by 89 states that account for a significant proportion of world trade , making it one of the most successful international uniform laws . The State of Palestine is the most recent state to ratify the Convention , having acceded to it on 29 December 2017 . </P>
what contract law is applicable in an international sale of goods
United Nations Convention on Contracts for the International Sale of Goods ( CISG ; the Vienna Convention )