This regulation establishes, increases, and removes tolerances for residues of difenoconazole and also establishes tolerances for combined residues of difenoconazole and its metabolite, CGA-205375, in or on various commodities. In addition, this regulation revokes tolerances for secondary residues in poultry, fat, meat, and meat byproducts. Syngenta Crop Protection, Inc., requested these tolerances under the Federal, Food, Drug, and Cosmetic Act (FFDCA).