Rev. Rul. 63-70

The use of vitagen gas, within the general limitations of section 240.524 of the Wine Regulations, in connection with champagne (or other sparkling wines) transfer, or in the charmat process to maintain pressure in sparkling wines, is considered as being consistent with good commercial practice, provided the vitagen gas is substantially free of carbon dioxide. Winemakers desiring to use vitagen gas for this purpose may obtain approval of Assistant Regional Commissioners, Alcohol and Tobacco Tax, by filing a notice pursuant to the provisions of section 240.1052 of the regulations.