The chair of each county committee shall, within 10 days after the organization, forward to the State Board of Elections, the names and post office addresses of the officers, precinct committeepersons and representative committeepersons elected by his political party.
The county convention of each political party shall choose delegates to the State convention of its party, if the party chooses to hold a State convention; but in any county having within its limits any city having a population of 200,000, or over the delegates from such city shall be chosen by wards, the ward committeepersons from the respective wards choosing the number of delegates to which such ward is entitled on the basis prescribed in paragraph (e) of this Section such delegates to be members of the delegation to the State convention from such county. In all counties containing a population of 2,000,000 or more outside of cities having a population of 200,000 or more, the delegates from each of the townships or parts of townships as the case may be shall be chosen by townships or parts of townships as the case may be, the township committeepersons from the respective townships or parts of townships as the case may be choosing the number of delegates to which such townships or parts of townships as the case may be are entitled, on the basis prescribed in paragraph (e) of this Section such delegates to be members of the delegation to the State convention from such county.
Each member of the State Central Committee of a political party which elects its members by Alternative B under paragraph (a) of Section 7-8 shall be a delegate to the State Convention, if the party chooses to hold a State convention, ex officio.
Each member of the State Central Committee of a political party which elects its members by Alternative B under paragraph (a) of Section 7-8 may appoint 2 delegates to the State Convention, if the party chooses to hold a State convention, who must be residents of the member's Congressional District.
The State convention of each political party, if the party chooses to hold a State convention, has power to make nominations of candidates of its political party for the electors of President and Vice President of the United States, and to adopt any party platform, and, to the extent determined by the State central committee as provided in Section 7-14, to choose and select delegates and alternate delegates at large to national nominating conventions. The State Central Committee may adopt rules to provide for and govern the procedures of the State convention.
10 ILCS 5/7-9