1145.07  NONCONFORMING USES.
   (a)   The lawful use of a building or land existing at the time of the adoption of this Zoning Code (Ordinance 431, passed September 4, 1963) may be continued, even though such use does not conform to the regulations established by this Zoning Code for the use district in which it is maintained.  An existing nonconforming use of a building may be continued so long as no structural alterations, except such as may be required by law or ordinance, are made therein.  An existing nonconforming use of a building or premises may, by special permit, be changed to another nonconforming use of a higher classification, but no building or premises In which a nonconforming use has been so changed shall again be devoted to a less restricted use.
   (b)   In any district, wherever a nonconforming use of a building has been or shall be discontinued for a period of two years, such nonconforming use shall not thereafter be re- established and the future uses shall be in conformity with the provisions of this Zoning Code.
   (c)   Any nonconforming building or structure damaged by fire, explosion, flood or act of God may be reconstructed and used as before such calamity, provided that the building or structure is not more than fifty percent destroyed.
   (d)   No existing building or premises devoted to a use not permitted by this Zoning Code in the district in which such building or premises is located, shall be enlarged, extended, reconstructed or structurally altered, except where required by law or ordinance, unless such use is changed to a use permitted in the district in which such building or premises is located.
   (e)   A use in violation of the provisions of the Zoning Ordinance of May 7, 1941, shall not be validated by the adoption of this Zoning Code.
(Ord. 431.  Passed 9-4-63.)