Maryland Code, State Personnel and Pensions § 12-203

(a) A grievant may initiate a grievance proceeding by filing a written grievance with the grievant's appointing authority. The grievant shall provide a copy of the grievance to the grievant's supervisor when the grievance is filed.

(b) A grievance procedure must be initiated by an employee within 20 days after:

(c) Within 10 days after receiving a grievance, the appointing authority shall hold a conference with the grievant and they shall attempt to resolve the grievance.

(d) Within 10 days after the conference, the appointing authority shall issue a written decision to the grievant and may grant any appropriate remedy under § 12-402(a) of this title.