Required Conditions. The requirements of the C-1H Zone shall be the same as the C-1 Zone and the provisions of Subsection
18-4.2s, Historic Preservation. Notwithstanding any other provisions of the Comprehensive Land Management Code, preliminary and final site plan approval shall be required in the C-1H Zone prior to any change, alteration or conversion to the exterior of any existing structure or use within the zone including, but not limited to, any change, alteration or improvement of the exterior facade of any structure or use within the zone. In addition, notwithstanding any other provisions of the Comprehensive Land Management Code, preliminary and final site plan approval shall be required prior to the issuance of any building permit, construction code permit, zoning permit or certificate of occupancy within the C-1H Zone.