The CISG differs from the United States Uniform Commercial Code (UCC) in that the CISG does not enforce unconscionable contracts applies sales laws only to merchants requires that parties act in good faith defines goods as movable and tangible QUESTION 2 The UN's Convention on Contracts for the International Sale of Goods (CISG) differs from the Convention Relating to a Uniform Law on the Formation of Contracts for the International Sale of Goods (ULF) in that the CISG does not contain provisions pertaining to the formation of contracts represents all major legal systems does not represent the legal systems of communist nations contains provisions for domestic sales of goods QUESTION 3 The states that a statute or treaty is to be interpreted only from the words contained within the statute or treaty per se rule Ultravires rule plain meaning rule foreseeability test