Okla. Stat. tit. 19 § 761
In all counties of the State of Oklahoma where the courthouse, or any part thereof, or the records of the county, or any part thereof, have been destroyed by fire, lightning, windstorm, or by any act of God, the board of county commissioners of such county shall have power and authority to use any insurance money, or money collected by them from insurance on said property, or any money in the treasury to the credit of such county in the courthouse fund, or any part thereof, to restore, rebuild, and make anew any such courthouse, or part thereof, or the records of the county, or any part thereof, and when such insurance money has been collected, said board of county commissioners shall have power and authority to pay out of such moneys and funds the cost of the restoration of such property or part thereof by warrants drawn and issued upon the filing and allowance of verified claims as now provided and required by law, or without notice or bid when in the judgment of the board of county commissioners said courthouse can be built, equipped and supplies can be bought at a lower and better price.
Okla. Stat. tit. 19, § 761