The use of a site or structure lawfully established prior to the effective date hereof which does not conform to the use regulations prescribed by this title for the zone district in which it is situated may be continued, provided that no such nonconforming use shall be enlarged to occupy a greater site area or building floor area than it occupied on the effective date hereof. Any subsequent reduction in site area or floor area occupied by a nonconforming use shall be deemed a new limitation, and the use shall not thereafter be enlarged to occupy a greater site area or floor area than such new limitation.
(Ord. 8(1973) § 20.400; Ord. 5(2001) § 5; Ord. 29(2005) § 40)