Code of Federal Regulations Title 27. Alcohol, Tobacco Products and Firearms § 27.26.102 Application and permit, TTB Form 5100.21

When beer of Puerto Rican manufacture is to be withdrawn for shipment to the United States, or for use in making an article for shipment to the United States, application for permit to compute the tax on, and to withdraw, the beer shall be made by the brewer on TTB Form 5100.21, in quintuplicate. If the withdrawal is to be made in hogsheads, barrels, or kegs, the brewer shall enter the total number of each size, according to capacity, of containers which it is desired to withdraw. If the withdrawal is to be made in bottles, the brewer shall enter the number of cases, size of bottles, number of bottles per case, the total contents thereof in gallons (liquid measure), and the equivalent thereof in barrels and fractions of barrels of 31 gallons each. The brewer shall forward all copies of the TTB Form 5100.21 to the Secretary. If the application is properly prepared and is otherwise in order, the Secretary or his delegate shall execute the permit, retain one copy, and return the original and three copies to the brewer.