This regulation establishes a tolerance for florasulam in or on barley, grain at 0.01 ppm, barley, hay at 0.05 ppm, barley straw at 0.05 ppm, oat, grain at 0.01 ppm, oat, forage at 0.05 ppm, oat, hay at 0.05 ppm, oat, straw at 0.05 ppm, rye, grain at 0.01 ppm, rye, forage at 0.05 ppm, rye, straw at 0.05 ppm, wheat, grain at 0.01 ppm, wheat, forage at 0.05 ppm, wheat, hay at 0.05 ppm, and wheat, straw at 0.05 ppm. Dow AgroSciences LLC requested this tolerance under the Federal Food, Drug, and Cosmetic Act (FFDCA).