(75 ILCS 16/20-15)
    Sec. 20-15. Petition of residents; referendum.
    (a) An election for a merger may be called upon the filing of petitions signed by at least 100 of the voters residing in each of the districts. The petitions shall specify the new maximum tax rate if the districts proposed to be merged do not have the same limitations upon the annual library taxes that may be levied. Separate but identical petitions shall be filed with the secretary of each district affected. The specified petitions shall be filled with the Secretaries of the respective districts within 90 days of each other.
    (b) The secretary of each district shall certify the question of merger to the proper election authority, who shall submit the question to the respective voters of each district affected at a regular election in accordance with the Election Code. The proposition shall be in substantially the following form:
        Shall (name of public library district), (location),
    
Illinois, be merged with (name of public library district), (location), Illinois?
    If the petitions specified a new maximum tax rate, the ballot shall be in substantially the following form:
--------------------------------------------------------------
    "Shall The ....... Public Library
District, of ....... Illinois, be
merged with The ....... Public          YES
Library District, of ....... Illinois,
with a maximum annual public library   -----------------------
tax rate for the merged districts
established at ....% of the value of    NO
all taxable property as equalized and
assessed by the Department of Revenue?"
--------------------------------------------------------------
    (c) If a majority of the votes cast upon the question in each district are in favor of the merger, the districts shall be merged. The election authority of each district shall prepare a certificate of the results of the election.
    (d) A proposition for the merger of public library districts shall not be submitted to the voters more often than once a year.
(Source: P.A. 87-1277.)