If lawful use involving individual structures, or of structure and premises in combination, exists at the effective date of adoption or amendment of this chapter, the lawful use may be continued so long as it remains otherwise lawful, subject to the following provisions.
(A) No existing structure devoted to a use not permitted by this chapter in the district in which it is located shall be enlarged or extended.
(B) Any nonconforming use and premises may, as a special exception, be expanded or changed to another nonconforming use provided that the Zoning Hearing Board by special exception shall find that the expansion or proposed change in use is appropriate to the district. In permitting such change, the Zoning Hearing Board shall require appropriate conditions and safeguards in accordance with the provisions of this chapter.
(C) A nonconforming use may be changed to a conforming use and shall not be changed back to a nonconforming use.
(Prior Code, Ch. 27, § 27-1205) (Ord. 293, passed 4-20-1992, § 12.5)