Work on property and improvements so designated pursuant to this chapter shall be regulated as follows:
A. Landmarks. No significant alterations, exterior construction and/or exterior demolition may be performed on property and structures which have been designated under this chapter as landmarks or are in the process of being nominated for landmark status, except as shall be approved by a “certificate of appropriateness.”
B. Preservation Districts. No significant alterations, exterior construction and/or exterior demolition may be performed on property and structures which have been designated under this chapter as a preservation district or are in the process of being nominated for a preservation district, except as shall be approved by a “certificate of appropriateness.”
(Ord. O-9110-1200-49, Art. 4, § 1, passed 10-15-1991)