No owner, agent or person in charge of any dwelling structure used or designed, or intended to be used, as a multiple dwelling (three units or more) shall rent or lease such structure or any part thereof for residential occupancy, unless the owner thereof holds a Certificate of Occupancy issued by the Director of Public Service for such structure, which Certificate has not expired, been revoked or otherwise become null and void.
(Ord. 1961-83. Passed 12-26-61.)