CFR › Title 21 › Part 172 › §172.87621 CFR §172.876Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy linkThe food additive castor oil may be safely used in accordance with the following conditions:(a)The additive meets the specifications of the United States Pharmacopeia XX (1980).(b)The additive is used or intended for use as follows: