This regulation establishes an exemption from the requirement of a tolerance for residues of the Bacillus thuringiensis Cry3Bb1 protein and the genetic material necessary for its production in corn on field corn, sweet corn, and popcorn when applied/used as a plant- incorporated protectant. Monsanto Company, 800 North Lindberg Blvd., St. Louis, Missouri 63167 submitted a petition to EPA under the Federal Food, Drug, and Cosmetic Act (FFDCA), as amended by the Food Quality Protection Act of 1996 (FQPA), requesting an exemption from the requirement of a tolerance. This regulation eliminates the need to establish a maximum permissible level for residues of Bacillus thuringiensis Cry3Bb1 protein and the genetic material necessary for its production in corn.