Maryland Corporations and Associations Section 7-205

      (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)      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.

      (c)      Except as provided in subsection (d) 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.

      (d)      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.

      (e)      (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 more than one resident agent; or

                  (ii)      Ten days after it is filed with the Department, if the corporation has only one resident agent.