This regulation establishes a tolerance for residues of orthosulfamuron in or on rice, grain and rice, straw at 0.05 parts per million (ppm). ISAGRO S.p.A., Centro Uffici S. Siro -- Fabbricato D -- ALA 3, Via Caldera, 21, 20153 Milano, Italy, requested this tolerance under the Federal Food, Drug, and Cosmetic Act (FFDCA), as amended by the Food Quality Protection Act of 1996 (FQPA).