View all text of Subpart W [§ 174.500 - § 174.545]
§ 174.527 - Phosphomannose isomerase in all plants; exemption from the requirement of a tolerance.
Residues of the phosphomannose isomerase (PMI) enzyme in plants are exempt from the requirement of a tolerance when used as plant-incorporated protectant inert ingredients in all food commodities.