27 C.F.R. § 19.383 Bottling tank gauge.
Title 27 - Alcohol, Tobacco Products and Firearms
When a distilled spirits product is to be bottled or packaged, the proprietor shall gauge the product, on completion of any filtering, reduction, or other treatment, and prior to commencement of bottling or packaging. Any gauge made under this section shall be made at labeling or package marking proof while the product is in the tank from which it is to be bottled or packaged, and the details of the gauge shall be entered on the bottling and packaging record prescribed in §19.749. (Sec. 201, Pub. L. 85–859, 72 Stat. 1356, as amended (26 U.S.C. 5201))
Title 27: Alcohol, Tobacco and Firearms
PART 19—DISTILLED SPIRITS PLANTS
Subpart M—Processing Operations Other Than Denaturation and Manufacture of Articles
Bottling, Packaging, and Removal of Products
§ 19.383 Bottling tank gauge.