A. To facilitate the payment of vendor invoices and contract estimates, the Director of the Office of Management and Enterprise Services shall prescribe a uniform document to be used by all agencies of the state. The document shall provide summarized information relative to the referenced invoices or contract estimates, together with a space for the approval of the head of the agency approving said vendor invoices or contract estimates for payment.

B. Vendor invoices and contract estimates shall be accepted by the state in lieu of the claim form previously required in the same manner as commercial invoices are paid.

C. Vendor invoices and contract estimates shall be filed with the agency receiving the merchandise or services in the same manner as invoices are filed with commercial firms.

D. Upon receipt of invoices or contract estimates, the head of the agency, or the agency's authorized agent, may approve said documents for payment as confirmation of delivery or acceptance of the goods or services. Whereupon, the approved invoices or contract estimates shall be attached to the document provided for such purpose and the head of the agency approving such invoices of contract estimates for payment shall affix the approval in the space provided on the document.

E. Commercial invoices shall be accepted in lieu of the standard notarized claim prescribed by the state.