Mitigation banking is different from the normal wetland allowing process in two key aspects. First, it attempts to develop mitigation areas, or financial institution wetlands, far enough in improve of anticipated impacts in the community to attain fully functional bank wetlands by the time impacts are pondered, in theory allowing an easy, one-to-one acreage and functional trade within “real time”. Second, banks are large within area to provide this exchanging service for numerous pondered impacts, as against the usual impact-by-impact process of conventional wetland allowing.