1157.04  EXPANSION.
   (a)   A nonconforming use or structure may be expanded up to a volume which shall not exceed fifty percent (50%) of its volume as it exists at the time of adoption of the Zoning Ordinance.
   (b)   No such use shall be expanded, however, into a more restrictive district than where it is located; and no such use shall be permitted to expand except in accordance with all of the building regulations contained herein. 
(Ord. 58(72-73).  Passed 11-21-73.)