No occupancy certificate for a building or addition thereto constructed after the effective date of this chapter shall be issued until the construction has been completed and the premises inspected and certified by the office of the director of public services to be in conformity with the plans and specifications upon which the zoning certificate was based. No occupancy certificate for a building or addition thereto constructed after the effective date of this chapter shall be issued, and no addition to a previously existing building shall be occupied, until the premises have been inspected and certified by the office of the director of public services to be in compliance with all requirements of this chapter and standards that may be prescribed by the city council. Pending the issuance of a regular certificate, a temporary certificate may be issued, to be valid for a period not to exceed 6 months from its date, during the completion of any addition or during partial occupancy of the premises. An occupancy certificate shall be issued, or written notice shall be given to the applicant stating the reason why a certificate cannot be issued, not later than 30 days after the office of the director of public services is notified in writing that the building or premises is ready for occupancy.
('69 Code, App. A, § 10.4-3)