19 U.S.C. § 293 - U.S. Code - Unannotated Title 19. Customs Duties § 293. Documented vessels touching at foreign ports

Any United States documented vessel with a registry or coastwise endorsement, or both, may engage in trade between one port in the United States and one or more ports within the same, with the privilege of touching at one or more foreign ports during the voyage, and land and take in thereat merchandise, passengers and their baggage, and letters, and mails.