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27 CFR §21.58 — Formula No. 31-A.

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
  1. (a)Formula. To every 100 gallons of alcohol add:
  2. (b)Authorized uses.
    1. (1)As a solvent:
    2. (2)Miscellaneous uses: