A special fund is hereby established in the State Treasury to be known as the Traffic and Criminal Conviction Surcharge Fund. Moneys in this Fund shall be expended as follows:
All payments from the Traffic and Criminal Conviction Surcharge Fund shall be made each year from moneys appropriated for the purposes specified in this Section. No more than 50% of any appropriation under this Act shall be spent in any city having a population of more than 500,000. The State Comptroller and the State Treasurer shall from time to time, at the direction of the Governor, transfer from the Traffic and Criminal Conviction Surcharge Fund to the General Revenue Fund in the State Treasury such amounts as the Governor determines are in excess of the amounts required to meet the obligations of the Traffic and Criminal Conviction Surcharge Fund.
50 ILCS 705/9