Except as provided in this subsection (b), the provisions of Article 7 of this Code are applicable to petitions for the special primary election and special election. Petitions for nomination in accordance with Article 7 shall be filed in the principal office of the State Board of Elections not more than 85 and not less than 82 days prior to the date of the special primary election, excluding Saturday and Sunday. Petitions for the nomination of independent candidates and candidates of new political parties shall be filed in the principal office of the State Board of Elections not more than 93 and not less than 90 days prior to the date of the special election, excluding Saturday and Sunday.
Except as provided in this subsection, the State Board of Elections shall have authority to establish, in conjunction with the impacted election authorities, an election calendar for the special election and special primary.
10 ILCS 5/25-7