This regulation establishes tolerances for residues of nicosulfuron in or on cattle, fat; cattle, meat; cattle, meat byproducts; goat, fat; goat, meat; goat, meat byproducts; grass, forage; grass, hay; horse, fat; horse, meat; horse, meat byproducts; milk; sheep, fat; sheep, meat; and sheep, meat byproducts. E. I. du Pont de Nemours and Company requested these tolerances under the Federal Food, Drug, and Cosmetic Act (FFDCA). This regulation also removes the existing tolerance for residues of nicosulfuron on corn, forage.