StacksVerified U.S. regulatory reference

40 CFR §174.522

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
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.