U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 28, 2025

§ 556.167 - Colistimethate.

(a) [Reserved]

(b) Tolerances. The tolerance for colistimethate is:

(1) Chickens. Edible tissues (excluding eggs): Not required.

(2) [Reserved]

(c) Related conditions of use. See § 522.468 of this chapter.