27 C.F.R. § 20.115 Ink general-use formula.
Title 27 - Alcohol, Tobacco Products and Firearms
Ink general-use formula is any finished article made with S.D.A. Formula No. 1, 3–A, 3–C, 13–A, 23–A, 30, 32, or 33 which— (a) Contains sufficient pigments, dyes, or dyestuffs, (b) May contain other ingredients, and (c) Is packaged, labeled and sold or used as an ink.
Title 27: Alcohol, Tobacco and Firearms
PART 20—DISTRIBUTION AND USE OF DENATURED ALCOHOL AND RUM
Subpart F—Formulas and Statements of Process
General-Use Formulas
§ 20.115 Ink general-use formula.
