70 ILCS 1205/2-3
An organization or reorganization petition under Section 2-2 or 2-2.1 shall be filed in the offices of the clerk of the circuit court in which such proposed district or district to be reorganized, or the greater or greatest portion in area thereof, is situated together with a request that the circuit judge set a date and time for a public hearing thereon. The organization petition shall contain a plat survey of the legal boundaries of the proposed district. The circuit judge shall fix a date and time, not less than 30 days nor more than 180 days after the date of filing of such petition and hearing request, for a public hearing on the subject of the petition. Notice of the time and place of such hearing shall be given by the clerk of the circuit court at least 20 days prior to the date fixed for such hearing by at least one publication thereof in one or more daily or weekly newspapers having a general circulation within the proposed park district.
If no request for a hearing accompanied the petition or if a hearing on the petition has not been held within the time required by this Section, such petition shall be void and shall be dismissed by the circuit judge.
70 ILCS 1205/2-3