27 C.F.R. § 19.84 Gauging and measuring equipment.
Title 27 - Alcohol, Tobacco Products and Firearms
All gauging and measuring equipment and means required by 27 CFR part 30 and this part to be furnished by the proprietor for the purpose of ascertaining the quantity, alcoholic content, specific gravity, and producing capacity of any materials, denaturants, mash, wort, or beer, or the quantity and alcoholic content of spirits, denatured spirits, or wines, shall be maintained by the proprietor in accurate and readily usable condition. Any appropriate TTB officer may disapprove the use of any equipment or means if such officer finds it would be insufficiently accurate and the proprietor shall promptly provide accurate equipment or means in lieu of the disapproved equipment or means. (Sec. 201, Pub. L. 85–859, 72 Stat. 1320, as amended, 1358, as amended (26 U.S.C. 5006, 5204))
Title 27: Alcohol, Tobacco and Firearms
PART 19—DISTILLED SPIRITS PLANTS
Subpart D—Administrative and Miscellaneous Provisions
Activities Not Subject to This Part
§ 19.84 Gauging and measuring equipment.

