A use variance shall be deemed automatically null and void under any and all of the following conditions:
   (A)   If the use for which the variance was granted ceases for any continuous period greater than six months in length;
   (B)   If the property or structures for which the variance was granted change ownership or occupancy;
   (C)   If the applicant to whom the variance was granted fails to comply with any of the conditions made a part of the variance; and
   (D)   If the Board of Zoning Appeals discovers at some future date that the variance has created some previously unforeseen problem, nuisance or hazard that is adversely affecting the health, safety or welfare of adjacent properties or the general public.
(2004 Code, § 4-303)