There is hereby created in the State Treasury a revolving fund for the Oklahoma Tourism and Recreation Department to be designated the “State Park System Improvement Revolving Fund”. The fund shall be a continuing fund not subject to fiscal year limitations. The fund shall consist of all monies that are received by the Department, from all entrance or day-use charges for the state park system, including charges for an annual pass for visitors to the state parks. All monies accruing to the fund are hereby appropriated and may be expended by the Department at the state park where the charges were collected as authorized by Section 2220 of this title. 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.