Md. Code, Corporations and Associations § 1–202

When the Department accepts for record any charter document or any document designating or changing the name or address of a resident agent or principal office of a Maryland corporation, the Department shall:

(1) Endorse on the document its acceptance for record and the date and time of acceptance;

(2) Record promptly the document with its corporate records; and

(3) Send an acknowledgment to the corporation, its attorney, or its agent stating the date and time that the document was accepted for record.