The purposes of this chapter are to:
A.
Establish the legal status of a nonconformance by creating provisions through which a nonconformance may be maintained, altered, reconstructed, expanded or terminated;
B.
Establish the rules for an existing legal use by creating provisions through which an existing legal use may be maintained, altered, reconstructed, expanded or terminated; and
C.
Provide for the temporary establishment of uses that are not otherwise permitted in a zone or that do not meet all development standards of a zone and to regulate such uses by their scope and period of use.
(Ord. 11-0329 § 3 (Exh. 1))