27 CFR § 20.102
Bay rum, alcoholado, or alcoholado-type toilet waters
April 24, 2020
Unless manufactured exclusively for export under a formula approved by TTB and endorsed “For Export Only,” bay rum, alcoholado, or alcoholado-type toilet waters made with S.D.S. shall contain in each gallon of finished product:
(a) 71 milligrams of denatonium benzoate (also known as benzyldiethyl (2:6-xylylcarbamoyl methyl) ammonium benzoate) in addition to any of this material used as a denaturant in the specially denatured alcohol;
(b) 2 grams of tartar emetic; or
(c) 0.5 avoirdupois ounce of sucrose octaacetate.
[TD TTB-140, 81 FR 59457, Aug. 30, 2016]