Okla. Stat. tit. 11, § 11-37-232: Delivery of bonds to contractor

The cash prepayments and the bonds in the amount that may be

necessary for the purpose shall be turned over and delivered to the

contractor or assigns at par and accrued interest in payment of the

amount due in accordance with the terms of the contract, provided

that the contractor has paid to the municipal clerk all advertising,

engineering, appraising, right-of-way and easements and other costs,

including consulting attorneys fees and special attorney and audit

fees.