27 C.F.R. § 20.93 — Changes to formulas.
§ 20.93 Changes to formulas. (a) General. Except as provided in paragraph (b) of this section, any change of ingredients or quantities of ingredients listed in an approved formula shall constitute a different article for which a different approved formula is required by § 20.91. (b) Exceptions. A different approved formula is not required for the following— (1) A change from an ingredient identified in the formula by a brand name to the same quantity of a chemically identical ingredient acquired under a different brand name, or (2) A change of an ingredient which is a coloring material. [T.D. ATF–199, 50 FR 9162, Mar. 6, 1985, as amended by T.D. TTB–140, 81 FR 59456, Aug. 30, 2016]