Section 1228.103 - Maintenance of records(a) The State or Indian tribe entering into a cooperative agreement under this part must retain all records, reports, working papers, and any backup materials for a period specified by ONRR. All records and support materials must be available for inspection and review by appropriate personnel of the Department including the Office of the Inspector General.(b) The State or Indian tribe shall maintain all books and records as may be necessary to assure compliance with the provisions of chapter 1, 48 CFR 31.107 and 48 CFR subpart 31.6 (Contracts with State, local, and federally recognized Indian tribal Governments).56 FR 10512, Mar. 13, 1991