If the use authorized by any variance is or has been unused, abandoned, or discontinued for a period of six months, or if the conditions of the variance have not been complied with, the variance shall become null and void and of no effect; excepting that where construction of buildings, structures, and/or facilities is necessary, work on such construction shall be actually commenced within the aforesaid six-month period and shall be diligently prosecuted to completion; otherwise the variance shall be automatically null and void and of no effect.
('61 Code, § 10-3.1411) (Ord. 231 N.S., passed - - )