Scope.
Scope. Except as provided in parts 122 (Air commerce) and 123 (CBP relations with Canada and Mexico) of this chapter, this part sets forth the requirements and procedures pertaining to the transportation of merchandise in-bond, as authorized by 551, 552, and 553 of the Tariff Act of 1930, as amended (19 U.S.C 1551, 1552, and 1553).