27 C.F.R. § 19.156 Powers of attorney.
Title 27 - Alcohol, Tobacco Products and Firearms
The proprietor shall execute and file with the appropriate TTB officer a Form 1534 (5000.8) for each person authorized to sign or to act on behalf of the proprietor. (Not required for persons whose authority is furnished in the application for registration.) (See 201, Pub. L. 85–859, 72 Stat. 1349, as amended (26 U.S.C. 5172))
Title 27: Alcohol, Tobacco and Firearms
PART 19—DISTILLED SPIRITS PLANTS
Subpart G—Qualification of Distilled Spirits Plants
§ 19.156 Powers of attorney.

