Md. Code, Transportation § 21–1003.1

(a) Except as provided in subsections (c) and (d) of this section, a local authority may not issue a residential parking permit to the owner of a vehicle to be valid for a period in excess of 30 days unless the owner provides satisfactory evidence that:

(1) The vehicle for which the parking permit is sought is registered in the State; or

(2) The owner of the vehicle has obtained under § 13-402.1 of this article:

(i) A nonresident permit; or

(ii) A complimentary guest card.

(b) If a residential parking permit area is established as a result of the construction of a professional sports facility that seats 45,000 or more people, a local authority may not charge a fee for the issuance of a permit to park in that area.

(c) In Baltimore City, the Executive Director of the Baltimore City Parking Authority may issue, on a showing of evidence of ownership and occupancy, a residential parking permit to a person who owns and occupies residential property in the residential parking permit area regardless of whether the person would otherwise qualify for a residential parking permit under subsection (a) of this section.

(d) In the City of Annapolis, the Annapolis Parking and Fines Section of the Annapolis Police Department may issue, on a showing of evidence of ownership and occupancy, a residential parking permit to a person who owns and occupies residential property in the residential parking permit area regardless of whether the person would otherwise qualify for a residential parking permit under subsection (a) of this section.