405 ILCS 20/9
Whenever electors, equal in number to at least 10% of the total votes cast for the office on which the greatest total number of votes were cast at the last preceding general governmental unit election, of a governmental unit which has adopted the taxing provisions of this Act, present a petition to the clerk of the governmental unit, requesting that the levying of a tax annually in such governmental unit for the purpose of providing community mental health facilities and services be discontinued, the clerk shall certify the proposition to the proper election officials for submission at a regular election in accordance with the general election law. The proposition shall be substantially in the following form: ------------------------------------------------------------- Shall.... (governmental unit) discontinue the levying of an annual tax for YES the purpose of providing community mental health facilities and services including ---------------- facilities and services for the person with a developmental disability NO or a substance use disorder ? -------------------------------------------------------------
If a majority of all the votes cast upon the proposition are for the discontinuance of the levying of such tax, the governing body of the governmental unit shall not thereafter levy such a tax unless a proposition authorizing such levy again receives a majority of all the votes cast upon the proposition as provided in Sections 5 and 7 of this Act.
405 ILCS 20/9