Okla. Stat. tit. 53 § 503
There is hereby created in the State Treasury a revolving fund for the Oklahoma Historical Society to be designated the "Oklahoma Civil Rights Trail Revolving Fund". The fund shall be a continuing fund, not subject to fiscal year limitations, and shall consist of all monies deposited to the fund by law, as well as gifts, donations, and private, state, and federal funds. All monies accruing to the credit of such fund are hereby appropriated and may be budgeted and expended by the Oklahoma Historical Society for the purpose of providing financial assistance for the preservation of the Oklahoma Civil Rights Trail. Expenditures from such fund shall be made upon warrants issued by the State Treasurer against claims filed as prescribed by law with the Director of the Office of Management and Enterprise Services for approval and payment.
Okla. Stat. tit. 53, § 503