40 CFR § 174.522
Phosphinothricin Acetyltransferase (PAT); exemption from the requirement of a tolerance
June 9, 2020
Residues of the Phosphinothricin Acetyltransferase (PAT) enzyme 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]