21 C.F.R. § 556.167 Colistimethate.
Title 21 - Food and Drugs
A tolerance for residues of colistimethate in the edible tissues of chickens is not required. [63 FR 13123, Mar. 18, 1998]
Title 21: Food and Drugs
PART 556—TOLERANCES FOR RESIDUES OF NEW ANIMAL DRUGS IN FOOD
Subpart B—Specific Tolerances for Residues of New Animal Drugs
§ 556.167 Colistimethate.

