27 C.F.R. § 19.456 Adding denaturants.
Title 27 - Alcohol, Tobacco Products and Firearms
Denaturants and spirits shall be mixed in packages, tanks, or bulk conveyances on bonded premises. The appropriate TTB officer may, on written application, authorize other methods of mixing denaturants and spirits if he deems such denaturation will not hinder effective administration of this part or jeopardize the revenue. If requested by the appropriate TTB officer, the proprietor shall submit a flow diagram of the intended process or method of adding denaturants. (Sec. 201, Pub. L. 85–859, 72 Stat. 1369, as amended (26 U.S.C. 5242))
Title 27: Alcohol, Tobacco and Firearms
PART 19—DISTILLED SPIRITS PLANTS
Subpart N—Denaturing Operations and Manufacture of Articles
Denaturation
§ 19.456 Adding denaturants.