These provisions shall apply to all buildings
or structures, and all uses of buildings, structures or lots lawfully
existing prior to the effective date of the ordinance from which this
article is derived, or of subsequent amendments, revisions or reenactments
of this article, which do not conform to the provisions of said original
zoning ordinance, or to such revisions or reenactments on their effective
dates.
No unlawful building or structure or unlawful
use of a building, structure or lot existing at the effective date
of the ordinance from which this article is derived shall be deemed
to be a nonconforming building, structure or use.
A nonconforming use shall not be enlarged or extended, except as provided in Article
VII.
A nonconforming use shall be changed only to a conforming use, except as provided in Article
VII.
A nonconforming use shall be deemed to have
been abandoned:
A. When it is changed to a conforming use.
B. In cases where such nonconforming use is of a building
or structure designed for such use, when it has been voluntarily discontinued
for a period of 12 consecutive months.