27 CFR §27.120

Distilled spirits imported in bulk (i.e., in containers having a capacity in excess of 1 gallon (3.785 liters)) may be entered into a class 8 customs bonded warehouse for bottling, or may be withdrawn from customs custody only if entered for exportation or if withdrawn by a person to whom it is lawful to sell or otherwise dispose of distilled spirits in bulk pursuant to the Federal Alcohol Administration Act (49 Stat. 985, as amended; 27 U.S.C., 206) and subpart E of part 1 of this chapter. The importation and disposition of distilled spirits imported in bulk shall be reported as prescribed by §§ 27.133 to 27.134.