40 CFR §180.1158
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
An exemption from the requirement of a tolerance is established for residues of auxins (specifically: indole-3-acetic acid and indole-3-butyric acid) in or on all food commodities when used as plant regulators on plants, seeds, or cuttings and on all food commodities after harvest in accordance with good agricultural practices.