Okla. Stat. tit. 62, § 62-277.2: Investments - Interest

The State Treasurer is hereby authorized and directed to invest

federal revenue sharing monies in direct obligations of the United

States of America or in certificates of deposits from banks in the

State of Oklahoma, acceptable as depositories, when such

certificates of deposits are secured by acceptable collateral and

yield as much or more than direct obligations of the United States

of America. Earnings or interest on federal revenue sharing monies

shall be deposited in the Federal Revenue Sharing Fund.