a.Buildings older than 25 years that have not had the roof, HVAC, Plumbing and Electric systems updated in the last 25 years.
b. Individual buildings with occupancy of less than 75% of the total units (for commercial complexes, calculate the % occupied for the entire complex not by individual building), unless new construction or gut rehabbed within one year of the proposed effective date of coverage. A certificate of occupancy must be issued prior to the effective date of coverage. No single individual buildings can be completely vacant, residential or commercial.