No owner of any double house or two-family dwelling shall occupy, rent or lease such premises, or any part thereof, unless such owner holds a certificate of authorized occupancy issued by the Building Commissioner for such premises, which certificate has not expired or otherwise become null and void. Such certificate shall be obtained on or before January 1, 1971, or before the owner enters into an agreement for the sale of such premises, whichever occurs sooner.
(Ord. 70-49. Passed 9-21-70.)