Regulations last checked for updates: Jun 16, 2024

Title 27 - Alcohol, Tobacco Products and Firearms last revised: May 28, 2024
§ 21.26 - Formula No. 12-A.

Formula. To every 100 gallons of alcohol of not less than 185 proof add:

Five gallons of toluene or 5 gallons of heptane.

[T.D. TTB-140, 81 FR 59461, Aug. 31, 2016]
source: T.D. ATF-133, 48 FR 24673, June 2, 1983, unless otherwise noted.
cite as: 27 CFR 21.26