Each political party shall have a State central committee that: is the governing body of the political party; and may be composed of the members of the central committees of the counties during their terms in office. A party’s State central committee shall select the chair or cochairs of the party State central committee. The chair or cochairs shall be residents of the State during their tenure in office. A party’s State central committee shall determine its own rules of procedure, not inconsistent with the provisions of this article.