75 ILCS 5/2-6
A public library established by any city, village or incorporated town under this Act may be disestablished if the library has no bonded indebtedness and the municipality is wholly included within a township which has a library established under this Act. Disestablishment may be effected in the following manner:
When 25% but not less than 100 of the voters of the city, village, or incorporated town present a petition to the clerk thereof asking for the disestablishment of the public library, the clerk shall certify the question of whether or not the public library shall be disestablished to the proper election authorities who shall submit the question at a regular election in accordance with the general election law. The proposition shall be in substantially the following form:
------------------------------------------------------------------------ Shall the ........ YES library be ---------------------------------------- disestablished? NO ------------------------------------------------------------------------
If a majority of the votes cast upon the proposition are in favor thereof, the library shall be disestablished. If less than a majority of the votes are in favor of the proposition, the disestablishment shall not occur.
If the disestablishment is authorized under this Section, the board of trustees of the library shall immediately proceed to close up the business of the library. If a vacancy occurs on the board before all of the business affairs are completed, the vacancy shall not be filled except that if all positions become vacant, the corporate authorities of the incorporated town, village, or city concerned shall act as the board to close up the business of the library. In closing up the affairs of the library, the board shall sell all property and equipment of the library and pay all debts and obligations; however, if the city, village or incorporated town whose public library is being disestablished is wholly within a township or townships having a township library or township libraries, the board or boards of which agree to assume all debts and obligations of the library being disestablished, all remaining property and equipment may be transferred to the township library.
75 ILCS 5/2-6