[Amended 3-1-2021 by L.L. No. 3-2021]
No person shall carry out any exterior alteration, restoration, reconstruction, demolition, or new construction on a site, or the moving of a landmark on a property, located within an historic district, nor shall any person make any material change in the appearance of such property, its light fixtures, signs, sidewalks, fences, steps, paving, or other exterior elements which affect the appearance and cohesiveness of the landmark or historic district, without first obtaining a certificate of appropriateness from the Commission. Emergency orders or actions made in the interest of public safety or Building Code compliance by the Code Enforcement Officer or the Mayor supersede certificates of appropriateness.