StacksVerified U.S. regulatory reference

40 CFR §174.521

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
Residues of the neomycin phosphotransferase II (NPTII) enzyme are exempted from the requirement of a tolerance in all food commodities when used as a plant-incorporated protectant inert ingredient.