A Practice Note giving a broad overview of certain key treaties and protocols that are important in the international transportation of goods, including the United Nations Convention on Contracts for the International Sale of Goods (CISG), the Uniform Customs and Practice for Documentary Credits (UCP), Incoterms®, the Customs Convention on the International Transport of Goods Under Cover of TIR Carnets (TIR Convention), the World Trade Organization (WTO) and the General Agreement on Tariffs and Trade (GATT), the Convention for the Unification of Certain Rules for International Carriage by Air (Montreal Convention), and bilateral free trade agreements and multilateral free trade agreements such as the United States-Mexico-Canada Agreement (USMCA).