The CISG is the default applicable law when parties from two different signatory countries execute an agreement for the sale of goods unless they "opt out," This article provides a general overview of the convention as well as a short comparative analysis to the Uniform Commercial Code (UCC).The next step is to negotiate a foreign sales agreement. There is certain information you need to provide, and many legal issues to consider. Importing Into the United States provides wide-ranging information about the importing process and import requirements. Always include the purchase order number on all invoices. Provide clear description of goods or services-mirror the purchase order description. There are 5 Courthouses located in the. Southern District of Florida: Fort Pierce, West. Facilitate international trade in the Americas.