StacksVerified U.S. regulatory reference

21 CFR §556.167

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
  1. (a)[Reserved]
  2. (b)Tolerances. The tolerance for colistimethate is:
    1. (1)Chickens. Edible tissues (excluding eggs): Not required.
    2. (2)[Reserved]
  3. (c)Related conditions of use. See § 522.468 of this chapter.