Okla. Stat. tit. 22 § 1368
There is hereby created in the State Treasury a revolving fund for the Oklahoma Indigent Defense System to be designated the "Indigent Defense System Revolving Fund". The fund shall be a continuing fund, not subject to fiscal year limitations, and shall consist of federal funds, grants, gifts and such other funds as are provided by law. All monies accruing to the credit of said fund are hereby appropriated and may be budgeted and expended by the Board to defray expenses relating to the performance of duties imposed upon the Oklahoma Indigent Defense System by law. Expenditures from said 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. 22, § 1368