Regulations last checked for updates: Nov 25, 2024

Title 21 - Food and Drugs last revised: Nov 21, 2024
All TitlesTitle 21Chapter IPart 556Subpart B - Subpart B—Specific Tolerances for Residues of Approved and Conditionally Approved New Animal Drugs
View all text of Subpart B [§ 556.34 - § 556.770]
§ 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.

authority: 21 U.S.C. 342,360b,371
source: 84 FR 32993, July 11, 2019, unless otherwise noted.
cite as: 21 CFR 556.167
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