This regulation establishes tolerances for residues of fenamidone in or on carrot; sunflower; Brassica, head and stem, subgroup 5A; Brassica, leafy greens, subgroup 5B; vegetable, fruiting, group 8, except nonbell pepper; pepper, nonbell; vegetable, leafy, except Brassica, group 4; cotton, gin byproducts; cotton, undelinted seed; and combined residues of fenamidone and its metabolite RPA 717879 in or on strawberry. Interregional Research Project Number 4 (IR-4) requested these tolerances under the Federal Food, Drug, and Cosmetic Act (FFDCA).