55 ILCS 5/6-3012
If a petition is filed with the county clerk not later than 30 days after the first publication or the posting of the resolution, signed by voters of the county numbering 10% or more of the registered voters in such county, requesting an election to vote upon the proposition of issuing bonds for the purpose of obtaining funds to construct a county jail and sheriff's residence, the county clerk shall certify the proposition to the proper election officials, who shall submit the proposition to the voters at an election in accordance with the general election law. The ballot shall be substantially in the following form:
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Shall .... county issue YES bonds in the amount of ...... ----------------------------------------------------- to construct a county jail? NO
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If a majority of the voters voting upon the aforesaid proposition vote in favor of it, the bonds may be issued by such county, but if a majority of the voters voting upon the proposition vote against the proposition, the county may not issue bonds for the purpose of constructing a county jail under the provisions of this Division.
55 ILCS 5/6-3012