(1) The State Department of Education may provide for a system of charges for services rendered by the administrative support programs of the department to all other programs within the department. Such charges received for administrative support services shall be credited to the State Department of Education Revolving Fund, which fund is hereby created. Expenditures shall be made from such fund to finance the operation of the administrative support programs of the department in accordance with appropriations made by the Legislature.

(2) The Director of Administrative Services, upon receipt of proper vouchers approved by the Commissioner of Education, shall issue warrants out of the State Department of Education Revolving Fund. Any money in the fund available for investment shall be invested by the state investment officer pursuant to the Nebraska Capital Expansion Act and the Nebraska State Funds Investment Act.