Maryland Statutes
Subtitle 2 - Registration and Qualification of Corporation
Section 7-205 - Maintenance and Certification of Resident Agent, Mailing Address, and Principal Office

(a)    As long as it is subject to suit in this State, a foreign corporation which has registered or qualified to do business in this State shall maintain:
        (1)    A resident agent in this State whose name and address is certified to the Department; and
        (2)    An address which is certified to the Department.
    (b)    The Department may act as a resident agent for a foreign corporation that does business in this State:
        (1)    Without a resident agent; or
        (2)    With a resident agent who cannot be found or served with the exercise of reasonable diligence.
    (c)    A foreign corporation registered or qualified to do business in this State:
        (1)    At any time may certify to the Department the address of a principal office in this State, which may be a business office of the corporation; and
        (2)    With respect to an address so certified, shall certify to the Department:
            (i)    Any subsequent change in the address of the principal office; and
            (ii)    The fact that it no longer has the principal office in this State.
    (d)    Except as provided in subsection (e) of this section, each certification by a foreign corporation which relates to its resident agent, address, or principal office shall be executed for the corporation by its president or one of its vice–presidents.
    (e)    A foreign corporation and its resident agent may change the resident agent, his address, or the address of a principal office of the corporation in the same manner as provided for a Maryland corporation under § 2–108 of this article.
    (f)    (1)    A resident agent of a foreign corporation may resign by filing with the Department a counterpart or photocopy of his signed resignation.
        (2)    Unless a later time is specified in the resignation, it is effective:
            (i)    At the time it is filed with the Department, if the corporation has appointed a successor resident agent; or
            (ii)    Ten days after it is filed with the Department, if the corporation has not appointed a successor resident agent.