(2) In carrying out the provisions of ORS 496.162 or 506.129, the State Fish and Wildlife Commission shall not consider evidence of or argument regarding the prospect of adverse economic impact on the activities of hatcheries for which permits have been issued unless the commission determines that it is necessary in order to comply with the policies set forth in ORS 496.012 or 506.109. [1971 c.203 §4; 1979 c.335 §1]