Maryland Code, State Personnel and Pensions § 7-602

(a)(1) An appointing authority may reassign any employee within the appointing authority's jurisdiction to another position of equal grade and service for which the employee meets the minimum qualifications within the appointing authority's jurisdiction.

(2) Except as otherwise required by law, no employee may be reassigned from one principal unit to another without the employee's consent, unless the Secretary certifies that the reassignment is in the best interests of the State.

(c)(1) An employee may apply for a voluntary demotion to any vacant position of a lower grade in any unit in the Executive Branch for which the employee meets the minimum qualifications.

(2) An employee who applies for a voluntary demotion to a position will be considered for the position along with other eligible applicants.