Md. Code, Election Law § 4–201

(a) Each political party shall have a State central committee that:

(1) is the governing body of the political party; and

(2) may be composed of the members of the central committees of the counties during their terms in office.

(b) (1) A party’s State central committee shall select the chair or cochairs of the party State central committee.

(2) The chair or cochairs shall be residents of the State during their tenure in office.

(c) A party’s State central committee shall determine its own rules of procedure, not inconsistent with the provisions of this article.