27 CFR § 21.133
Vinegar
April 24, 2020
(a) Vinegar, 90-grain:
Acidity (as acetic acid). 9.0 percent by weight, minimum.
(b) Vinegar, 60-grain:
Acidity (as acetic acid). 6.0 percent by weight, minimum.
[T.D. ATF-133, 48 FR 24673, June 2, 1983. Redesignated by T.D. ATF-442, 66 FR 12854, Mar. 1, 2001]