265—11.6 (16) Public benefit. Before approving an Iowa main street loan, the department and the authority must find that the proposed project will result in one or more of the following:
	  1. 	 Rehabilitation of upper floor housing or commercial properties or new construction development on infill vacant lots located in the downtown area of a participating city;
	  2. 	 Housing in downtown areas located in a participating city; or
	  3. 	 Stimulation of downtown area economic development within the context of historic preservation of the downtown area in a participating city.