Department of Defense Financial Management Regulation (DoD FMR) Volume 10, titled “Contract Payment Policy,” establishes the comprehensive framework and internal controls governing the entitlement, certification, and disbursement of vendor and contract payments. The volume mandates rigorous standards for prevalidation—the process of matching a planned disbursement with a recorded obligation before payment—and strict adherence to the Prompt Payment Act, ensuring that payments are made timely to avoid interest penalties while taking advantage of economically justified discount offers and rebates. It prescribes the required supporting documentation for commercial payment vouchers, including proper invoices and receiving reports, heavily emphasizing the use of electr ...