Maryland Code, Corporations and Associations § 1-401

(b)(1) Any notice required by law to be served by personal service on a resident agent or other agent or officer of any Maryland or foreign corporation, partnership, limited partnership, limited liability partnership, limited liability company, or real estate investment trust required by statute to have a resident agent in this State may be served on the corporation, partnership, limited partnership, limited liability partnership, limited liability company, or real estate investment trust in the manner provided by the Maryland Rules relating to the service of process on corporations.

(2) Service under the Maryland Rules is equivalent to personal service on a resident agent or other agent or officer of a corporation, partnership, limited partnership, limited liability partnership, limited liability company, or real estate investment trust mentioned in paragraph (1) of this subsection.