(b) Retention of records.
- (1) A sponsor shall retain, for 3 years after the date of the submission of the final Department payment, documentary evidence such as invoices, cost estimates and negotiation documents relating to any item of project cost. These documents include, but are not limited to, vendor’s invoices, applicable purchase orders, receiving reports, inventory records, method of pricing, returns, catalog cuts, plans, inspection reports, final inspection report showing acceptance of the project, and a record of disposition or correction of unsatisfactory work.
- (2) A sponsor shall retain for 3 years after the date of the submission of the final Department payment, evidence of payments for items of project costs including, but not limited to, vouchers, cancelled checks or warrants, and receipts for cash payments.
- (3) If audit findings have not been resolved, records shall be retained until the findings have been resolved.