§ Md. Election Law § 13-215(untitled)

(a) Each chairman, treasurer, and campaign manager shall be a registered voter of the State. (b) (1) Subject to paragraph (2) of this subsection, a candidate may not act: (i) as the treasurer of a campaign finance entity of the candidate; or (ii) with respect to any other campaign finance entity: 1. as the campaign manager or treasurer; or 2. in any other position that exercises general overall responsibility for the conduct of the entity. (2) (i) An incumbent member of a central committee who is a candidate for election to party office may act as a responsible officer of that central committee. (ii) With respect to any campaign finance entity other than the candidate’s own campaign finance entity, a candidate for delegate to the Democratic National Convention or a candidate for delegate to the Republican National Convention may act: 1. as the campaign manager or treasurer; or 2. in any other position that exercises general overall responsibility for the conduct of the entity. (c) Subject to subsection (b) of this section, the chairman, treasurer, or campaign manager of a campaign finance entity may serve as the chairman, treasurer, or campaign manager of another campaign finance entity.