21 CFR §178.3730
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
Piperonyl butoxide in combination with pyrethrins may be safely used for insect control on bags that are intended for use in contact with dried feed or dried food in compliance with 40 CFR 180.127 and 40 CFR 180.128.