All persons or companies conducting business in San José must pay the business tax, whether or not they have offices located in San José. The City of San Jose can help companies seeking to designate their facility as a Foreign Trade Zone, or access an existing FTZ.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. For more information on Schedule. B numbers, visit the Census Bureau's website or contact the Foreign. Lesser scope in the application of private international law. GEODIS provides complete US Foreign-Trade Zone services so you can import while deferring duty, and save money at every stage of your product's journey. Focus on your potential customer and what you can provide them. Association of Free Trade Zones of Honduras. Asociación de Zonas Francas de Honduras (AZAFRANCA).