The United Nations Convention on Contracts for the International Sale of Goods (CISG) entered into force on January 1, 1988 for the 11 contracting parties. The seller's name and address;.For Illinois purposes, you should report the taxable income you are reporting for federal purposes under IRC Sections 881 through 885. "Contract for sale" includes both a present sale of goods and a contract to sell goods at a future time. Section 50-12 of the Judicial. The purpose of the CISG is to provide a modern, uniform and fair regime for contracts for the international sale of goods. What are the important differences between domestic sales contract law and the rules set out in the CISG? 1. The U.S. perspective. A disclaimer "buried" or "lost" in the fine print or hidden in the other terms and conditions of the contract is not enforceable. America as well as for most contracts involving the major trading partners of the United States, many.