21 C.F.R. § 556.310 Haloxon.
Title 21 - Food and Drugs
A tolerance of 0.1 part per million is established for negligible residues of haloxon (3-chloro-7-hydroxy-4-methyl-coumarin bis(2-chloroethyl) phosphate) in the edible tissues of cattle. [40 FR 13942, Mar. 27, 1975, as amended at 45 FR 10333, Feb. 15, 1980]
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
§ 556.310 Haloxon.