10 ILCS 5/10-4
All petitions for nomination under this Article 10 for candidates for public office in this State, shall in addition to other requirements provided by law, be as follows: Such petitions shall consist of sheets of uniform size and each sheet shall contain, above the space for signature, an appropriate heading, giving the information as to name of candidate or candidates in whose behalf such petition is signed; the office; the party; place of residence; and such other information or wording as required to make same valid, and the heading of each sheet shall be the same. Such petition shall be signed by the qualified voters in their own proper persons only, and opposite the signature of each signer his residence address shall be written or printed. The residence address required to be written or printed opposite each qualified primary elector's name shall include the street address or rural route number of the signer, as the case may be, as well as the signer's county, and city, village or town, and state. However, the county or city, village or town, and state of residence of such electors may be printed on the petition forms where all of the electors signing the petition reside in the same county or city, village or town, and state. Standard abbreviations may be used in writing the residence address, including street number, if any. Except as otherwise provided in this Code, no signature shall be valid or be counted in considering the validity or sufficiency of such petition unless the requirements of this Section are complied with. At the bottom of each sheet of such petition shall be added a circulator's statement, signed by a person 18 years of age or older who is a citizen of the United States; stating the street address or rural route number, as the case may be, as well as the county, city, village or town, and state; certifying that the signatures on that sheet of the petition were signed in his or her presence; certifying that the signatures are genuine; and either (1) indicating the dates on which that sheet was circulated, or (2) indicating the first and last dates on which the sheet was circulated, or (3) certifying that none of the signatures on the sheet were signed more than 90 days preceding the last day for the filing of the petition; and certifying that to the best of his knowledge and belief the persons so signing were at the time of signing the petition duly registered voters under Article 4, 5, or 6 of this Code of the political subdivision or district for which the candidate or candidates shall be nominated, and certifying that their respective residences are correctly stated therein. Such statement shall be sworn to before some officer authorized to administer oaths in this State. Except as otherwise provided in this Code, no petition sheet shall be circulated more than 90 days preceding the last day provided in Section 10-6 for the filing of such petition. Such sheets, before being presented to the electoral board or filed with the proper officer of the electoral district or division of the state or municipality, as the case may be, shall be neatly fastened together in book form, by placing the sheets in a pile and fastening them together at one edge in a secure and suitable manner, and the sheets shall then be numbered consecutively. The sheets shall not be fastened by pasting them together end to end, so as to form a continuous strip or roll. All petition sheets which are filed with the proper local election officials, election authorities or the State Board of Elections shall be the original sheets which have been signed by the voters and by the circulator, and not photocopies or duplicates of such sheets. A petition, when presented or filed, shall not be withdrawn, altered, or added to, and no signature shall be revoked except by revocation in writing presented or filed with the officers or officer with whom the petition is required to be presented or filed, and before the presentment or filing of such petition. Whoever forges any name of a signer upon any petition shall be deemed guilty of a forgery, and on conviction thereof, shall be punished accordingly. The word "petition" or "petition for nomination", as used herein, shall mean what is sometimes known as nomination papers, in distinction to what is known as a certificate of nomination. The words "political division for which the candidate is nominated", or its equivalent, shall mean the largest political division in which all qualified voters may vote upon such candidate or candidates, as the state in the case of state officers; the township in the case of township officers et cetera. Provided, further, that no person shall circulate or certify petitions for candidates of more than one political party, or for an independent candidate or candidates in addition to one political party, to be voted upon at the next primary or general election, or for such candidates and parties with respect to the same political subdivision at the next consolidated election.
10 ILCS 5/10-4