This regulation establishes a tolerance for combined residues of iprodione, 3-(3,5-dichlorophenyl)-N-(1-methylethyl)-2,4-dioxo-1- imidazolidinecarboxamide, its isomer, 3-(1-methylethyl)-N-(3,5- dichlorophenyl)-2,4-dioxo-1-imidazolidinecarboxamide and its metabolite, 3-(3,5-dichlorophenyl)-2,4-dioxo-1-imidazolidinecarboxamide in or on cottonseed. Rhone-Poulenc Ag Company requested this tolerance under the Federal Food, Drug, and Cosmetic Act, as amended by the Food Quality Protection Act of 1996.