Okla. Stat. tit. 62 § 413
The clerk or appointed agent of every county, city, town, township, board of education, school district, or other municipal corporation in this state, issuing bonds under Sections 411 et seq. of this title, shall register the same in his office. Such bonds shall also, in every case, be registered by the county clerk or appointed agent, showing the date, number and amount thereof, rate of interest, to whom payable, where payable, and date of maturity; and all bonds issued under this act shall have endorsed thereon a certificate signed by the county clerk and the district attorney of the county in which such issuing municipality is located, to the effect that said bonds are issued pursuant to law, and that said issue is within the debt limit. Said bonds shall thereafter be registered by the treasurer or appointed agent of the municipality issuing the same, said treasurer's or appointed agent's registration being made in like manner to that of the county clerk as hereinbefore set forth and each of said bonds shall have a certificate executed by said treasurer or appointed agent endorsed thereon to show that said treasurer or appointed agent has so registered said bonds. Thereafter said bonds shall be delivered to the State Auditor and Inspector, who shall register the same in his office in a book kept for that purpose and then shall, under his seal of office certify upon such bonds the fact that they have been registered in his office according to law. Nothing in Sections 411 et seq. of this title shall be construed to prohibit options available under the Registered Public Obligations Act of Oklahoma.
Okla. Stat. tit. 62, § 413