Md. Code, Election Law § 2–301

(a) This section applies to:

(1) a member of the State Board;

(2) a regular or substitute member of a local board;

(3) the State Administrator;

(4) an employee of the State Board or of a local board, including the election director of a board;

(5) counsel appointed under § 2–205 of this title; and

(6) an election judge.

(b) (1) An individual subject to this section may not, while holding the position:

(i) hold or be a candidate for any elective public or political party office or any other office created under the Constitution or laws of this State;

(ii) use the individual’s official authority for the purpose of influencing or affecting the result of an election; or

(iii) except as provided in paragraph (2) of this subsection, as to any candidate or any matter that is subject to an election under this article:

1. be a campaign manager;

2. be a treasurer or subtreasurer for a campaign finance entity; or

3. take any other active part in political management or a political campaign.

(2) Notwithstanding paragraph (1)(iii) of this subsection, an election judge may engage in the activities of a political campaign, except:

(i) while performing official duties on election day; and

(ii) by serving as a campaign manager for a candidate or as the treasurer for a campaign finance entity.