---
kind: "section"
citation: "21 C.F.R. § 558.235"
title: "21"
number: "558.235"
heading: "Efrotomycin."
url: "https://uscodex.org/cfr/21/558.235"
---

# §558.235. Efrotomycin.

- (a) **Specifications.** Type A medicated articles containing 14.5 grams efrotomycin per pound.
- (b) **Sponsor.** See No. 000010 in [§ 510.600(c)](/cfr/21/510.600.md?p=c) of this chapter.
- (c) **Related tolerances.** See [§ 556.224](/cfr/21/556.224.md) of this chapter.
- (d) **Conditions of use in swine—**

## Notes

### Amendments

[57 FR 38442, Aug. 25, 1992, as amended at 62 FR 63271, Nov. 28, 1997; 84 FR 33001, July 11, 2019; 84 FR 39185, Aug. 9, 2019; 85 FR 45309, July 28, 2020]

### Authority

Authority: 21 U.S.C. 354, 360b, 360ccc, 360ccc-1, 371.

### Source

Source: 40 FR 13959, Mar. 27, 1975, unless otherwise noted.

### Amendments

[57 FR 38442, Aug. 25, 1992, as amended at 62 FR 63271, Nov. 28, 1997; 84 FR 33001, July 11, 2019; 84 FR 39185, Aug. 9, 2019; 85 FR 45309, July 28, 2020]