75 ILCS 5/4-3.3
Nominations for the position of library trustee including the first board of library trustees shall be by petition, signed by at least 25 legal voters residing in the incorporated town or village (except a village under the commission form of government) or township and filed with the clerk of such incorporated town, village, or township within the time prescribed by the general election law. Such clerk shall certify the candidates for library trustees to the proper election authorities who shall conduct the election in accordance with the general election law. All candidates must be residents of the incorporated town, village or township involved. The ballots shall not designate any political party, platform or political principle.
75 ILCS 5/4-3.3