Repairs and alterations may be made to a nonconforming building, provided that no structural alterations shall be made in or to a building, all or substantially all of which is designed or intended for a use not permitted in the district in which it is located, except that structural alterations may be made if they are required by law or are necessary to make the building and use thereof conform to the regulations of the district in which it is located.
(Ord., passed 2-18-64; Am. Ord. 1993-O-02, passed 2-2-93)