You must have a significant portion of your assets inside of a zone and be qualifying property. This is measured at 70% of total assets either based upon financial statement value or original cost. There are three ways a QOZB can measure income. The first is an hour test where 50% or more of the work is performed in a zone. The second is a dollar value test where work performed in a zone generates 50% or more income. The third is that tangible property and essential business functions located in the zone are responsible for generating at least 50% of income.