1. An ordinance enacted pursuant to this chapter must set forth the standards and criteria by which the design, bulk and location of buildings is evaluated, and all standards and all criteria for any feature of a planned unit development must be set forth in that ordinance with sufficient certainty to provide criteria by which specific proposals for a planned unit development can be evaluated.
2. Standards in the ordinance must not unreasonably restrict the ability of the landowner to relate the plan to the particular site and to the particular demand for housing existing at the time of development.