CFR › Title 27 › Part 21 › §21.4327 CFR §21.43Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy link(a)Formula. To every 100 gallons of alcohol of not less than 160 proof add:(b)Authorized uses.(1)As a raw material:(2)Miscellaneous uses: