27 C.F.R. § 19.86 Furnishing facilities and assistance.
Title 27 - Alcohol, Tobacco Products and Firearms
On the demand of any appropriate TTB officer or agent, the proprietor shall furnish the necessary facilities and assistance to enable the officer or agent to gauge the spirits in any container or to examine any apparatus, equipment, containers, or materials on the distilled spirits plant premises. The proprietor shall also, on demand of an appropriate TTB officer or agent, open all doors, and open for examination all containers on the plant premises. The proprietor shall, on request of an appropriate TTB officer, furnish the exact locations (including the number of containers at each location) of all packages and similar portable approved containers within a given lot, and locations (i.e., buildings, rooms or areas) where spirits in cases are stored. (Sec. 201, Pub. L. 85–859, 72 Stat. 1357, as amended (26 U.S.C. 5203); sec. 806, Pub. L. 96–39, 93 Stat. 279 (26 U.S.C. 5202))
Title 27: Alcohol, Tobacco and Firearms
PART 19—DISTILLED SPIRITS PLANTS
Subpart D—Administrative and Miscellaneous Provisions
Entry and Examination of Premises
§ 19.86 Furnishing facilities and assistance.

