Section 174.519 - Bacillus thuringiensis Cry2Ab2 protein; exemption from the requirement of a tolerance(a) Residues of Bacillus thuringiensis Cry2Ab2 protein in or on corn or cotton are exempt from the requirement of a tolerance when used as a plant-incorporated protectant in the food and feed commodities of corn; corn, field; corn, sweet; corn, pop; and cotton seed, cotton oil, cotton meal, cotton hay, cotton hulls, cotton forage, and cotton gin byproducts.(b) Residues of Bacillus thuringiensis Cry2Ab2 protein in or on soybean are exempt from the requirement of a tolerance when used as a plant-incorporated protectant in the food and feed commodities of soybean. 80 FR 25604 , May 5, 2015