41 C.F.R. § 102-37.300

You must update donee eligibility records as needed, at least every 3 years, to ensure that all documentation supporting the donee's eligibility is current and accurate. Annually, you must update files for nonprofit organizations whose eligibility depends on annual appropriations, licensing, or certification. You must take particular care to ensure that all records are current relating to the authority of donee representatives to screen and receive property.