(A) Any certificate of appropriateness issued pursuant to this subchapter and any permit to raze a building issued pursuant to this subchapter shall expire of its own limitation 12 months from the date of issuance if the work authorized thereby is not commenced by the end of such 12-month period; and further, any such certificate and permit shall also expire and become null and void if such authorized work is suspended or abandoned for a period of 12 months after being commenced.
(B) Any period or periods of time during which the right to use any such certificate or permit is stayed pursuant to this subchapter shall be excluded from the computation of the 12 months.
(1996 Code, § 176-140)