110 ILCS 805/7-18.1: Supplemental budget and taxes.

When a supplemental budget has been adopted by the board under Section 7-13, the board may levy supplemental taxes which may not exceed the amount of the moneys appropriated in the supplemental budget nor the maximum rates of taxes which the board is authorized by law to levy for the current fiscal year for the respective purposes. This Section shall be effective only until January 1, 1974.