---
kind: "section"
citation: "21 C.F.R. § 556.650"
title: "21"
number: "556.650"
heading: "Sulfaethoxypyridazine."
url: "https://uscodex.org/cfr/21/556.650"
---

# §556.650. Sulfaethoxypyridazine.

- (a) [Reserved]
- (b) **Tolerances.** The tolerances for sulfaethoxypyridazine are:
  - (1) **Cattle.**
    - (i) **Edible tissues (excluding milk)—** 0.1 ppm.
    - (ii) **Milk—** Zero.
  - (2) **Swine.** Edible tissues: Zero.
- (c) **Related conditions of use.** See §§ [520.2240a](/cfr/21/520.2240a.md), [520.2240b](/cfr/21/520.2240b.md), and [522.2240](/cfr/21/522.2240.md) of this chapter.

## Notes

### Authority

Authority: 21 U.S.C. 342, 360b, 371.

### Source

Source: 84 FR 32993, July 11, 2019, unless otherwise noted.