Md. Code, Financial Institutions § 12–113

(a) A licensee may not add, delete, or modify a location required to be listed in NMLS under § 12–110(a)(2), (3), or (4) of this subtitle unless:

(1) The licensee provides to the Commissioner, through NMLS and in accordance with any regulations the Commissioner adopts, notice of the addition, deletion, or modification;

(2) The addition, deletion, or modification of the location is recorded with the information associated with the licensee’s license in NMLS; and

(3) The addition, deletion, or modification of the location otherwise complies with this subtitle.

(b) The licensee may not do business at a location or in a geographic area required to be listed in NMLS by § 12–110(a)(2), (3), or (4) of this subtitle until the location or geographic area is recorded with the information associated with the licensee’s license in NMLS.