Okla. Stat. tit. 3, § 375

There is hereby created in the State Treasury a revolving fund for the Oklahoma Department of Transportation to be designated the "Oklahoma Advanced Mobility Pilot Project Revolving Fund". The Fund shall be a continuing fund, not subject to fiscal year limitations and shall consist of all monies received by the Oklahoma Tax Commission which are specifically required by law to be deposited in the Fund, any public or private donations, contributions and gifts received for the benefit of the Fund and any amounts appropriated by the Legislature. All monies accruing to the credit of the Fund are hereby appropriated and may be budgeted and expended by the Oklahoma Department of Transportation for the purpose of funding grants as provided in this act. 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.