---
kind: "section"
citation: "27 C.F.R. § 21.24"
title: "27"
number: "21.24"
heading: "Formula No. 20."
url: "https://uscodex.org/cfr/27/21.24"
---

# §21.24. Formula No. 20.

- (a) **Formula.** To every 100 gallons of ethyl alcohol of not less than 195 proof add:
- (b) **Authorized use.** Restricted to fuel use, comparable to specially denatured alcohol “Use Code No.” 611, 612, 613, 620, and 630.

## Notes

### Amendments

[T.D. ATF-133, 48 FR 24673, June 2, 1983, as amended by T.D. TTB-140, 81 FR 59460, Aug. 30, 2016]

### Authority

Authority: 5 U.S.C. 552(a); 26 U.S.C. 5242, 7805.

### Source

Source: T.D. ATF-133, 48 FR 24673, June 2, 1983, unless otherwise noted.

### Amendments

[T.D. ATF-133, 48 FR 24673, June 2, 1983, as amended by T.D. TTB-140, 81 FR 59460, Aug. 30, 2016]