"Nonconforming use" means an existing legal use that does not comply with this title and was either:
A. Constructed prior to December 16, 1974, which predates the requirement for written authorization for development within a floodplain, or
B. Constructed on or after December 16, 1974, in compliance with the terms and conditions of the written authorization in effect at the time of construction.
(Ord. 2010-FC5 § 1 (part), 2010)