[Code of Federal Regulations] [Title 27, Volume 1] [Revised as of January 1, 2008] From the U.S. Government Printing Office via GPO Access [CITE: 27CFR20.104] [Page 510] TITLE 27--ALCOHOL, TOBACCO PRODUCTS AND FIREARMS CHAPTER I--ALCOHOL AND TOBACCO TAX AND TRADE BUREAU, DEPARTMENT OF THE TREASURY PART 20_DISTRIBUTION AND USE OF DENATURED ALCOHOL AND RUM--Table of Contents Subpart F_Formulas and Statements of Process Sec. 20.104 Residual alcohol in spirit vinegar. Commercial strength (40 grain) vinegar made from specially denatured alcohol may contain trace amounts of residual alcohol, not to exceed 0.5 percent of alcohol by volume, in the finished product. General-Use Formulas