Once you come in and apply for a certificate of occupancy and pay the $200 fee and schedule the inspection, the inspection is good for nine months past the application date. If after nine months, the house is not sold, the application and inspection process must start all over again.
Rental certificate of occupany is good for 90 days past the last inspection.
Once the certificate of occupancy is written and issued, it is good for 90 days. The certificate of occupancy is only written and issued with a buyer's name.