27 C.F.R. § 24.193 Conversion into still wine.
Title 27 - Alcohol, Tobacco Products and Firearms
Sparkling wine or artificially carbonated wine may be dumped for use as still wine. The dumping process will allow the loss of carbon dioxide remaining in the wine. (Sec. 201, Pub. L. 85–859, 72 Stat. 1331, as amended (26 U.S.C. 5041, 5361))
Title 27: Alcohol, Tobacco and Firearms
PART 24—WINE
Subpart G—Production of Effervescent Wine
§ 24.193 Conversion into still wine.