Okla. Stat. tit. 74, § 74-2275: Notes and bonds as investment securities - Collateral

security.

Notes and bonds issued pursuant to provisions of this act are

hereby made securities in which all public officers and public

boards, agencies and instrumentalities of the state and its

political subdivisions, all banks, trust companies, trust and loan

associations, investment companies and others carrying on a banking

business, and all insurance companies and insurance associations,

and others carrying on an insurance business may legally and

properly invest. These notes and bonds are also approved as

collateral security for the deposit of any public funds and for the

investment of trust funds.