(a) Where no structural alterations are made in any building containing a nonconforming use, such use may be changed to one of a similar or higher classification, but no building in which a nonconforming use has been changed to a more restricted use shall be devoted to a less restricted use.
(b) The lawful use of a building at the time of the enactment of this Zoning Code, although the use of such building does not conform to the provisions of this Zoning Code, may be extended throughout the building provided no structural alterations are made except those required by law and provided it is permitted by the Board of Zoning Appeals.
(c) No non-conforming use may be re-established in any building where such nonconforming use has been discontinued for a period of two (2) years.
(Ord. 1069-94. Passed 4-28-94; Ord. 1587-05. Passed 7-14-05.)