Okla. Stat. tit. 62 § 385
In counties having a population of more than two hundred thousand (200,000) and less than three hundred thousand (300,000) according to the last Federal Decennial Census of 1950, or any succeeding Federal Decennial Census, and a net valuation of Two Hundred Million Dollars ($200,000,000.00) or more, any municipal corporation, county, township or school district in this state which has issued or may hereafter issue general obligation bonds which have or may hereafter become due and payable and against the payment of which the statute of limitations has or shall have run, may at its option, authorize the payment of said bonds not withstanding the fact that the statute of limitations has run and pay said bonds out of any money on hand in the sinking fund of said municipal corporation, county, township or school district available for the payment of such bonds; provided that the governing body of said municipal corporation, county, township or school district shall, by resolution duly adopted, authorize said payment.
Okla. Stat. tit. 62, § 385