Maryland Election Law Section 2-301
§ 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.