No changes to existing ordinances shall be applied retroactively to a certificate of appropriateness already issued, provided that the certificate of appropriateness in question has not expired. For good cause shown, satisfactory to the Planning Commissioner, the expiration date of a certificate of appropriateness maybe extended with right of appeal to Council or the Planning Commission as provided elsewhere herein.
(Ord. 228, passed 6-12-1964; Am. Ord. 03-2014, passed 8-18-2014)