No such transfer may reduce the cumulative balance of all of the special funds of the State to an amount less than the total debt service payable during the 12 months immediately following the date of the transfer on any bonded indebtedness of the State and any certificates issued under the Short Term Borrowing Act. At no time shall the outstanding total transfers made from the special funds of the State to general funds and the Health Insurance Reserve Fund under this Section exceed $1,500,000,000; once the amount of $1,500,000,000 has been transferred from the special funds of the State to general funds and the Health Insurance Reserve Fund, additional transfers may be made from the special funds of the State to general funds and the Health Insurance Reserve Fund under this Section only to the extent that moneys have first been re-transferred from general funds and the Health Insurance Reserve Fund to those special funds of the State. Notwithstanding any other provision of this Section, no such transfer may be made from any special fund that is exclusively collected by or directly appropriated to any other constitutional officer without the written approval of that constitutional officer.
30 ILCS 105/5h.5