This regulation establishes a tolerance for residues of mepiquat (N,N-dimethylpiperidinium) in or on cottonseed at 2.0 parts per million (ppm); cotton, gin byproducts at 6.0 ppm; and meat byproducts of cattle, goat, hog, horse and sheep at 0.1 ppm. BASF Corporation requested these tolerances under the Federal Food, Drug, and Cosmetic Act, as amended by the Food Quality Protection Act of 1996.