Maryland State Personnel and Pensions Section 3-301
§ 3-301.
  (a)   Employees subject to this title have the right to:
    (1)   take part or refrain from taking part in forming, joining, supporting, or participating in any employee organization or its lawful activities;
    (2)   be fairly represented by their exclusive representative, if any, in collective bargaining; and
    (3)   except as provided in §§ 3-303 and 3-305 of this subtitle, engage in other concerted activities for the purpose of collective bargaining.
  (b)   An employee who is a member of a bargaining unit with an exclusive representative may, without the intervention of an employee organization, discuss any matter with the employer.