Md. Code, Local Gov't § 11-601

(a) In this section, “regular employee” does not include: (1) an employee, as defined in § 4–501 of the Labor and Employment Article; (2) an appointed official; (3) an elected official; or (4) a supervisory, managerial, or confidential employee. (b) This section applies only in code counties in the Southern Maryland class, as established in § 9–302 of this article. (c) (1) A county may enact a local law to provide regular employees of the county the right to organize and bargain collectively with binding arbitration through representative employee organizations chosen by the regular employees. (2) A local law enacted in accordance with this section shall: (i) provide definitions of and remedies for unfair labor practices; and (ii) prohibit strikes or work stoppages by represented regular employees. (d) A local law enacted in accordance with this section may not affect the rights and duties of a county and any exclusive representatives under a local law enacted in accordance with Title 4, Subtitle 5 of the Labor and Employment Article.