65 ILCS 5/10-3-7
The electors of any city or village may adopt the provisions of Section 10-3-6 in the following manner: Whenever the electors in any city or village equal in number to 5% of the number of legal votes cast at the last preceding general municipal election petition the city or village clerk for the submission of the proposition as to whether that city or village shall adopt the provisions of Section 10-3-6 of the Illinois Municipal Code, that clerk shall certify the proposition for submission at the next succeeding general municipal election, and if the proposition is not adopted at that election it may be submitted in like manner at any general municipal election thereafter.
The proposition shall be in substantially the following form:
-------------------------------------------------------------------- Shall the provisions of Section 10-3-6 of the Illinois Municipal Code, YES providing for the regulation of -------------------------- working hours of employees in the NO fire department, be adopted? --------------------------------------------------------------------
If a majority of the electors in the municipality voting thereon vote for the adoption of Section 10-3-6, it is adopted by and shall be in force in that municipality.
65 ILCS 5/10-3-7