10 ILCS 5/10-14
Except as otherwise provided in this Code, not less than 74 days before the date of the general election the State Board of Elections shall certify to the county clerk of each county the name of each candidate whose nomination papers, certificate of nomination, or resolution to fill a vacancy in nomination has been filed with the State Board of Elections and direct the county clerk to place upon the official ballot for the general election the names of such candidates in the same manner and in the same order as shown upon the certification. The name of no candidate for an office to be filled by the electors of the entire state shall be placed upon the official ballot unless his name is duly certified to the county clerk upon a certificate signed by the members of the State Board of Elections. The names of group candidates on petitions shall be certified to the several county clerks in the order in which such names appear on such petitions filed with the State Board of Elections.
Except as otherwise provided in this Code, not less than 68 days before the date of the general election, each county clerk shall certify the names of each of the candidates for county offices whose nomination papers, certificates of nomination, or resolutions to fill a vacancy in nomination have been filed with such clerk and declare that the names of such candidates for the respective offices shall be placed upon the official ballot for the general election in the same manner and in the same order as shown upon the certification. Each county clerk shall place a copy of the certification on file in his or her office and at the same time issue to the State Board of Elections a copy of such certification. In addition, each county clerk in whose county there is a board of election commissioners shall, not less than 69 days before the election, certify to the board of election commissioners the name of the person or persons nominated for such office as shown by the certificate of the State Board of Elections, together with the names of all other candidates as shown by the certification of county officers on file in the clerk's office, and in the order so certified. The county clerk or board of election commissioners shall print the names of the nominees on the ballot for each office in the order in which they are certified to or filed with the county clerk; provided, that in printing the name of nominees for any office, if any of such nominees have also been nominated by one or more political parties pursuant to this Code , the location of the name of such candidate on the ballot for nominations made under this Article shall be precisely in the same order in which it appears on the certification of the State Board of Elections to the county clerk.
For the general election, the candidates of new political parties shall be placed on the ballot for said election after the established political party candidates and in the order of new political party petition filings.
Each certification shall indicate, where applicable, the following:
The State Board of Elections or the county clerk, as the case may be, shall issue an amended certification whenever it is discovered that the original certification is in error.
10 ILCS 5/10-14