(10 ILCS 5/10-9) (from Ch. 46, par. 10-9)
    Sec. 10-9. The following electoral boards are designated for the purpose of hearing and passing upon the objector's petition described in Section 10-8.
        1. The State Board of Elections will hear and pass
    
upon objections to the nominations of candidates for State offices, nominations of candidates for congressional or legislative offices that are in more than one county or are wholly located within a single county with a population of less than 3,000,000 and judicial offices of districts, subcircuits, or circuits situated in more than one county, nominations of candidates for the offices of State's attorney or regional superintendent of schools to be elected from more than one county, and petitions for proposed amendments to the Constitution of the State of Illinois as provided for in Section 3 of Article XIV of the Constitution.
        2. The county officers electoral board of a county
    
with a population of less than 3,000,000 to hear and pass upon objections to the nominations of candidates for county offices and judicial offices of a district, subcircuit, or circuit coterminous with or less than a county, for any school district offices, for the office of multi-township assessor where candidates for such office are nominated in accordance with this Code, and for all special district offices, shall be composed of the county clerk, or an assistant designated by the county clerk, the State's attorney of the county or an Assistant State's Attorney designated by the State's Attorney, and the clerk of the circuit court, or an assistant designated by the clerk of the circuit court, of the county, of whom the county clerk or his designee shall be the chair, except that in any county which has established a county board of election commissioners that board shall constitute the county officers electoral board ex-officio. If a school district is located in 2 or more counties, the county officers electoral board of the county in which the principal office of the school district is located shall hear and pass upon objections to nominations of candidates for school district office in that school district.
        2.5. The county officers electoral board of a
    
county with a population of 3,000,000 or more to hear and pass upon objections to the nominations of candidates for county offices, candidates for congressional offices and representatives in the General Assembly if the district is wholly within a county with a population of 3,000,000 or more, unless the district is wholly or partially within the jurisdiction of a municipal board of election commissioners, and judicial offices of a district, subcircuit, or circuit coterminous with or less than a county, for any school district offices, for the office of multi-township assessor where candidates for such office are nominated in accordance with this Code, for all special district offices, and for candidates for the Senate, shall be composed of the county clerk, or an assistant designated by the county clerk, the State's Attorney of the county or an Assistant State's Attorney designated by the State's Attorney, and the clerk of the circuit court, or an assistant designated by the clerk of the circuit court, of the county, of whom the county clerk or his designee shall be the chair, except that, in any county which has established a county board of election commissioners, that board shall constitute the county officers electoral board ex-officio. If a school district is located in 2 or more counties, the county officers electoral board of the county in which the principal office of the school district is located shall hear and pass upon objections to nominations of candidates for school district office in that school district.
        3. The municipal officers electoral board to hear and
    
pass upon objections to the nominations of candidates for officers of municipalities shall be composed of the mayor or president of the board of trustees of the city, village or incorporated town, and the city, village or incorporated town clerk, and one member of the city council or board of trustees, that member being designated who is eligible to serve on the electoral board and has served the greatest number of years as a member of the city council or board of trustees, of whom the mayor or president of the board of trustees shall be the chair.
        4. The township officers electoral board to pass upon
    
objections to the nominations of township officers shall be composed of the township supervisor, the town clerk, and that eligible town trustee elected in the township who has had the longest term of continuous service as town trustee, of whom the township supervisor shall be the chair.
        5. The education officers electoral board to hear and
    
pass upon objections to the nominations of candidates for offices in community college districts shall be composed of the presiding officer of the community college district board, who shall be the chair, the secretary of the community college district board and the eligible elected community college board member who has the longest term of continuous service as a board member.
        6. In all cases, however, where the Congressional,
    
Legislative, or Representative district is wholly or partially within the jurisdiction of a single municipal board of election commissioners in Cook County and in all cases where the school district or special district is wholly within the jurisdiction of a municipal board of election commissioners and in all cases where the municipality or township is wholly or partially within the jurisdiction of a municipal board of election commissioners, the board of election commissioners shall ex-officio constitute the electoral board.
    For special districts situated in more than one county, the county officers electoral board of the county in which the principal office of the district is located has jurisdiction to hear and pass upon objections. For purposes of this Section, "special districts" means all political subdivisions other than counties, municipalities, townships and school and community college districts.
    In the event that any member of the appropriate board is a candidate for the office with relation to which the objector's petition is filed, he shall not be eligible to serve on that board and shall not act as a member of the board and his place shall be filled as follows:
        a. In the county officers electoral board by the
    
county treasurer, and if he or she is ineligible to serve, by the sheriff of the county.
        b. In the municipal officers electoral board by the
    
eligible elected city council or board of trustees member who has served the second greatest number of years as a city council or board of trustees member.
        c. In the township officers electoral board by the
    
eligible elected town trustee who has had the second longest term of continuous service as a town trustee.
        d. In the education officers electoral board by the
    
eligible elected community college district board member who has had the second longest term of continuous service as a board member.
    In the event that the chair of the electoral board is ineligible to act because of the fact that he or she is a candidate for the office with relation to which the objector's petition is filed, then the substitute chosen under the provisions of this Section shall be the chair; In this case, the officer or board with whom the objector's petition is filed, shall transmit the certificate of nomination or nomination papers as the case may be, and the objector's petition to the substitute chair of the electoral board.
    When 2 or more eligible individuals, by reason of their terms of service on a city council or board of trustees, township board of trustees, or community college district board, qualify to serve on an electoral board, the one to serve shall be chosen by lot.
    Any vacancies on an electoral board not otherwise filled pursuant to this Section shall be filled by public members appointed by the Chief Judge of the Circuit Court for the county wherein the electoral board hearing is being held upon notification to the Chief Judge of such vacancies. The Chief Judge shall be so notified by a member of the electoral board or the officer or board with whom the objector's petition was filed. In the event that none of the individuals designated by this Section to serve on the electoral board are eligible, the chair of an electoral board shall be designated by the Chief Judge.
(Source: P.A. 103-467, eff. 8-4-23.)