Maryland Code, State Personnel and Pensions § 2-304

(a)(1) Employment by the State does not affect any right or obligation of a citizen under the Constitution and laws of the United States or under the Constitution and laws of the State.

(2) Except as otherwise provided in this section or by federal law, a State employee:

(1) the restrictions imposed on employees of a local board of elections by § 2-301 of the Election Law Article; and

(2) the restrictions imposed on employees of the Department of Legislative Services by guidelines adopted under § 2-1205 of the State Government Article.

(1) engage in political activity while on the job during working hours; or

(2) advocate the overthrow of the government by unconstitutional or violent means.

(d)(1) In this subsection, “political contribution” means a contribution as defined in § 1-101 of the Election Law Article.

(2) A public official or an employee of the State may not require any State employee to make a political contribution.