This supplement contains the major statutes, Restatements, and other domestic and international materials affecting contract law. It includes the Restatement (Second) of Contracts and Uniform Commercial Code Articles 1 and 2; excerpts from the Restatements of Restitution, Employment Law, and Suretyship and Guaranty, as well as the proposed Restatement of Consumer Contracts; the Uniform Electronic Transactions Act; the Electronic Signatures in Global and National Commerce Act; the United Nations Convention on Contracts for the International Sale of Goods; the UNIDROIT Principles of International Commercial Contracts; and the actual contracts in several leading cases. New materials include excerpts from the draft ALI-ELI Principles for a Data Economy, and the recommendations of an ALI-ULC drafting committee adapting the Uniform Commercial Code to emerging technology with respect to the law governing "bundled transactions.