Code of Federal Regulations Title 27. Alcohol, Tobacco Products and Firearms § 27.28.143 Containers

(a) Beer. Beer being exported, used as supplies on vessels and aircraft, or transferred to and deposited in a foreign-trade zone, without payment of tax, may be removed in bottles, kegs, or bulk containers.

(b) Beer concentrate. Concentrate may not be removed for export, or for transfer to and deposit in a foreign-trade zone, in containers of the kind ordinarily used by brewers for the removal of beer for consumption or sale.