This regulation establishes tolerances for residues of tioxazafen in or on corn, field, forage; corn, field, grain; corn, field, stover; cotton, gin byproducts; cotton, undelinted seed; soybean, forage; soybean, hay; soybean, meal; soybean, seed. Monsanto Company requested these tolerances under the Federal Food, Drug, and Cosmetic Act (FFDCA).