(10 ILCS 5/23-1.3a) (from Ch. 46, par. 23-1.3a)
    Sec. 23-1.3a. Election contest - Statewide - Petition - Contents. A Petition of State Election Contest shall be signed and verified by each person contesting the results of the election and shall contain:
    (a) The name of each candidate who received at least 1% of the votes cast for the office contested and the residence address of each such candidate as shown in the Statement of Candidacy of each candidate or, in the case of a write-in candidate, such candidate's residence address as determined by a diligent search;
    (b) The results of the contested election as certified in the official proclamation;
    (c) A statement that the Petitioner cast a ballot in the election contested, was a candidate whose name was on the ballot for the office which is the subject of the election contest, or filed a declaration of intent to be a write-in candidate for the office which is the subject of the election contest;
    (d) A statement that each petitioner believes (i) mistake or fraud has been committed in the casting, counting or return or canvass of the votes for the office involved or (ii) there was some other irregularity in the conduct of the contested election, or both;
    (e) A statement declaring with particularity the specific precincts in which the mistake, fraud or irregularity relied upon by the Petitioner is believed to have occurred;
    (f) The names and addresses of each election authority in whose jurisdiction the election was held, clearly indicating which election authorities had jurisdiction over the precincts in which each alleged mistake, fraud or irregularity occurred;
    (g) A statement declaring that, as a consequence of the mistake, fraud or irregularity alleged, the result of the election, as officially proclaimed, was incorrect; and
    (h) A statement declaring the Petitioner's belief as to which candidate did receive the highest number of votes.
(Source: P.A. 86-873.)