27 CFR § 20.93 - Changes to formulas.

---
identifier: "/us/cfr/t27/s20.93"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "27 CFR § 20.93 - Changes to formulas."
title_number: 27
title_name: "Alcohol, Tobacco Products and Firearms"
section_number: "20.93"
section_name: "Changes to formulas."
chapter_name: "ALCOHOL AND TOBACCO TAX AND TRADE BUREAU, DEPARTMENT OF THE TREASURY"
subchapter_number: "A"
subchapter_name: "ALCOHOL"
part_number: "20"
part_name: "DISTRIBUTION AND USE OF DENATURED ALCOHOL AND RUM"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "26 U.S.C. 5001, 5206, 5214, 5271-5275, 5311, 5552, 5555, 5607, 6065, 6109, 7805."
regulatory_source: "T.D. ATF-199, 50 FR 9162, Mar. 6, 1985, unless otherwise noted."
cfr_part: "20"
---


# 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]