§ 153.054 NONCONFORMING USE.
   (A)   A change of use of a nonconforming use of a structure or parcel of land shall not be made except to that of a conforming use. Where such change is made, the use shall not thereafter be changed back to a nonconforming use.
   (B)   Maintenance and repairs shall be permitted to be made to a building housing a nonconforming use, provided the extent of the nonconformance is not increased.
   (C)   Additions to structures housing nonconforming uses that increase the area of a nonconforming use shall not be made.
   (D)    Should a structure housing a nonconforming use be damaged or destroyed by any means to an extent of more than 50% of its fair market value at time of destruction, it shall not be reconstructed except in conformity with the provisions of these regulations.
   (E)   Damage to an extent less than 50% shall be repaired in a manner as nearly conforming as possible. No repairs or reconstruction shall be made unless the restoration is started within 6 months from the date of partial destruction and restoration is completed within 6 months from the start of construction.
   (F)   There may be a change of tenancy, ownership or management of any existing nonconforming use of land or structure, provided all other provisions of this subchapter are met.
   (G)   Any lot or structure, or portion thereof, occupied by a nonconforming use, which is or hereafter becomes vacant and remains unoccupied by a nonconforming use for a period of 6 months shall not thereafter be occupied or used, except by a use that conforms to this chapter.