HTS code 9803.00.50 covers "Substantial containers and holders, if products of the United States (including shooks and staves of United States production when returned as boxes or barrels containing merchandise), or if of foreign production and previously imported and duty (if any) thereon paid, or if of a class specified by the Secretary of the Treasury as instruments of international traffic, repair components for containers of foreign production which are instruments of international traffic, and accessories and equipment for such containers, whether the accessories and equipment are imported with a container to be reexported separately or with another container, or imported separately to be reexported with a container" under the US Harmonized Tariff Schedule. This is the official duty rate charged by US Customs when this product is imported into the United States, sourced directly from the U.S. International Trade Commission and refreshed daily.