18 C.F.R. § 740.9
Each State or other entity within a State receiving financial assistance under this part shall make and retain records required by the Council, including records which fully disclose the amount and disposition of financial assistance received; the cost of administration; the total cost of all activities for which assistance is given or used; and any data and information which the Council determines are necessary to protect the interests of the United States and to facilitate an effective financial audit and performance evaluation. The Council and the Comptroller General of the United States shall have access to any books, documents, records or receipts which the Council determines are relevant or pertinent, either directly or indirectly, to any financial assistance provided under this part. Such records shall be retained for a period of three years, which starts from the date of the submission of the annual financial status report for the grant period.
18 C.F.R. § 740.9