7 C.F.R. § 760.1109
Participants receiving payments under this subpart or any other person who furnishes information for the purposes of enabling the participant to receive a payment under this subpart must maintain any books, records, and accounts supporting that information for a minimum of 3 years following the end of the year during which the application for payment was filed. Participants receiving payments or any other person who furnishes the information to FSA must allow authorized representatives of USDA and the General Accounting Office, during regular business hours, and to enter upon, inspect, examine, and make copies of the books or records, and to inspect and verify all applicable livestock and acreage in which the participant has an interest for the purpose of confirming the accuracy of the information provided by or for the participant.
7 C.F.R. § 760.1109