Maryland Land Use Section 5.01

      (a)      Except as provided in subsection (b) of this section, the territorial jurisdiction of any planning commission over the subdivision of land shall include only land located in the jurisdiction.

      (b)      In a local jurisdiction where a county has not adopted subdivision regulations, the territorial jurisdiction of a planning commission of a municipal corporation may include all land located up to 1 mile beyond the corporate limits of the municipal corporation that is not located in any other municipal corporation.