10 ILCS 5/7-14
Except as otherwise provided in this Code, not less than 68 days before the date of the general primary the State Board of Elections shall meet and shall examine all petitions filed under this Article 7, in the office of the State Board of Elections. The State Board of Elections shall then certify to the county clerk of each county, the names of all candidates whose nomination papers or certificates of nomination have been filed with the Board and direct the county clerk to place upon the official ballot for the general primary election the names of such candidates in the same manner and in the same order as shown upon the certification.
The State Board of Elections shall, in its certificate to the county clerk, certify the names of the offices, and the names of the candidates in the order in which the offices and names shall appear upon the primary ballot; such names to appear in the order in which petitions have been filed in the office of the State Board of Elections except as otherwise provided in this Article.
Not less than 62 days before the date of the general primary, each county clerk shall certify the names of all candidates whose nomination papers 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 primary in the order in which such nomination papers were filed with the clerk, or as determined by lot, or as otherwise specified by statute. 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 board of election commissioners a copy of the certification that has been filed in the county clerk's office, together with a copy of the certification that has been issued to the clerk by the State Board of Elections, with directions to the board of election commissioners to place upon the official ballot for the general primary in that election jurisdiction the names of all candidates that are listed on such certification in the same manner and in the same order as shown upon such certifications.
The 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.
Subject to appeal, the names of candidates whose nomination papers have been held invalid by the appropriate electoral board provided in Section 10-9 of this Code shall not be certified.
10 ILCS 5/7-14