Md. Code, State Government § 7–309

(a) (1) Each local board of elections shall use a Program participant’s actual address for all election–related purposes.

(2) A Program participant may not use the substitute address designated by the Secretary of State as the Program participant’s address for voter registration purposes.

(b) A local board of elections may not make a Program participant’s address contained in voter registration records available for public inspection or copying except:

(1) on request by a law enforcement agency for law enforcement purposes; and

(2) as directed by a court order to disclose the address.