Except as hereinafter specified, any use, building, or structure lawfully existing at the time of the enactment or subsequent amendment of this development code may be continued even though such use, building, or structure does not conform with the provisions of this development code for the district in which it is located. Except as otherwise provided by law, nothing in this development code shall prevent the strengthening or restoring to a safe condition of any part of any building or structure declared unsafe by proper authority. (Ord. 12-15, 7-11-2012)