A.
No person or entity, including but not limited to an owner, tenant, manager, contractor or developer, exercising dominion and control over a structure, site, place or building designated as a landmark or landmark site appearing on the Landmark and Historic District Map and the official Zoning Map of the area in which the landmark site is located or any place, site, structure, building or property located wholly or partly within the boundaries of the Historic District shall construct, alter, remove, repair or demolish any structure, site, place or building except in compliance with the requirements set forth in this chapter.
B.
Maintenance and repair. Every person or entity, including but not limited to an owner, tenant, manager, contractor or developer, exercising dominion and control over a structure, site, place or building designated as a landmark or landmark site appearing on the Landmark and Historic District Map and the official Zoning Map of the area in which the landmark site is located or any place, site, structure, building or property located wholly or partly within the boundaries of the Historic District shall keep in good repair all of the exterior portions of such structure, site, place or building or landmark site and all interior portions thereof which, if not so maintained, may cause or tend to cause the exterior portions of such improvement to deteriorate, decay or become damaged or otherwise fall into a state of disrepair.