Section 5-1003 - Establishment of branch - In Maryland(a) A banking institution or an out-of-state bank may establish a branch in this State by: (1) Subject to subsection (b) of this section, opening a de novo branch;(2) Purchasing an existing branch from a bank or an insured depository institution; or(3) Converting former headquarters or retaining former branches following:(i) The purchase of all or substantially all of the assets of a bank or an insured depository institution; or(ii) A merger or a consolidation with a bank or an insured depository institution.(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.