40 CFR § 174.527
Phosphomannose isomerase in all plants; exemption from the requirement of a tolerance
June 9, 2020
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.
[72 FR 20435, Apr. 25, 2007]