310 ILCS 15/5a
Any State Public Body may make donations to any housing authority located in whole or in part within the area in which such State Public Body is authorized to act and may enter into agreements with any such housing authority to make such donations annually over any period of years. Whenever any State Public Body shall enter into any such agreement to make the donations hereinabove authorized over a period of years, it shall be and is hereby made the duty of the governing body of such State Public Body to include in the annual budget, annual appropriation bill, annual appropriation ordinance or in the amount certified or determined to be raised by taxation, for each current fiscal year, an appropriation or provision of a sum of money sufficient to raise the amount, which, under and by terms of any such agreement, shall become due and payable during such current fiscal year.
310 ILCS 15/5a