27 C.F.R. § 19.83 Samples for the United States.
Title 27 - Alcohol, Tobacco Products and Firearms
Any appropriate TTB officer is authorized to take samples of spirits, denatured spirits, articles, wines, or any other materials which may be added to such products for analysis, testing, or other determinations to ascertain whether there is compliance with the provisions of law and regulations. When such samples are removed from the bonded premises, the appropriate TTB officer shall give the proprietor a receipt covering the sample so removed. (Sec. 201, Pub. L. 85–859, 72 Stat. 1323, as amended, 1357, as amended, 1362, as amended, 1380, as amended (26 U.S.C. 5201, 5203, 5214, 5362))
Title 27: Alcohol, Tobacco and Firearms
PART 19—DISTILLED SPIRITS PLANTS
Subpart D—Administrative and Miscellaneous Provisions
Activities Not Subject to This Part
§ 19.83 Samples for the United States.

