27 C.F.R. § 24.319 Carbon dioxide record.
Title 27 - Alcohol, Tobacco Products and Firearms
A proprietor who uses carbon dioxide in still wine shall maintain a record of the laboratory tests conducted to establish compliance with the limitations prescribed in §24.245. (Sec. 201, Pub. L. 85–859, 72 Stat. 1381, as amended (26 U.S.C. 5367))
Title 27: Alcohol, Tobacco and Firearms
PART 24—WINE
Subpart O—Records and Reports
§ 24.319 Carbon dioxide record.