Okla. Stat. tit. 3, § 503

There is hereby created in the State Treasury a revolving fund for the Oklahoma Department of Aerospace and Aeronautics to be designated the “Oklahoma Aircraft and Rocket Engine Testing Development Grant Program Revolving Fund”. The fund shall be a continuing fund, not subject to fiscal year limitations, and shall consist of all monies received by the Department from all monies received by any public or private donations, contributions, and gifts received for the benefit of the fund, and any amounts appropriated by the Legislature, provided for the purpose of funding grants as provided in the Oklahoma Aircraft and Rocket Engine Testing Development Grant Program. All monies accruing to the credit of the fund are hereby appropriated and may be budgeted and expended by the Department for the purpose provided for in the Oklahoma Aircraft and Rocket Engine Testing Development Grant Program. Expenditures from the 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.