Maryland Code, BUSINESS OCCUPATIONS AND PROFESSIONS 18-3A-05
(b) The Secretary shall include on each registration that the Secretary issues:
(1) the full name of the registrant;
(2) the current address of the registrant;
(3) the date of issuance of the registration; and
(4) the date on which the registration expires.
(c) For all registrations other than temporary registrations, the Secretary shall issue to each registrant a pocket identification card that includes:
(1) a photograph of the registrant, supplied by the registrant; and
(2) the expiration date of the registrant’s registration.
(d) Each registrant shall give the Secretary written notice of any change of address within 10 business days after the change.