Maryland Code, Financial Institutions § 5-1003

(a) A banking institution or an out-of-state bank may establish a branch in this State by:

(b) An out-of-state bank may establish a de novo branch in this State under subsection (a)(1) of this section only if the home state of the out-of-state bank allows a banking institution to open a de novo branch in its state.

(c) A banking institution or an out-of-state bank may not establish or maintain a branch in this State on the premises or property of an affiliate if the affiliate engages in commercial activities.