Importing Into the United States provides wide-ranging information about the importing process and import requirements. You must obtain a seller's permit if you: • Are engaged in business in California, and.The purpose of the CISG is to provide a modern, uniform and fair regime for contracts for the international sale of goods. The next step is to negotiate a foreign sales agreement. There is certain information you need to provide, and many legal issues to consider. An international sales contract is an agreement between a buyer and a seller that identifies the parties in the transaction, the goods or services being sold. He recently discussed how the U.S.. Commercial Service's international posts could help. U.S. businesses sell their goods and services overseas. Japan and Germany have the largest number of businesses, and our International Parent Companies list includes 37 additional countries. Lauderdale Lakes (formerly the Pilot City) and Oakland Park whose businesses are located in the Lauderdale.