This regulation establishes a tolerance for combined residues of carboxin (5,6-dihydro-2-methyl-N-phenyl-1,4-oxathiin-3-carboxamide) and its metabolite 5,6-dihydro-3-carboxanilide-2-methyl-1,4-oxathiin-4- oxide (calculated as carboxin) (from treatment of seed prior to planting) in or on canola, seed. Gustafson LLC requested this tolerance under the Federal Food, Drug, and Cosmetic Act (FFDCA) , as amended by the Food Quality Protection Act of 1996 (FQPA).