Maryland Code, Public Safety § 13-706

(a) An officer or employee of the State, a county, or other political subdivision of the State who is a member of the organized militia is entitled to a leave of absence from duties, without loss of pay, time, or efficiency rating:

(b) In addition to the 15-day period specified in subsection (a) of this section, a member of the organized militia who is ordered to State active duty under authority of the Governor is entitled to leave of absence without loss of pay, time, or efficiency rating while actually serving under the State active duty orders.