ORS 558.066: Governmental entities conducting weather modification at airport; exemption.

The State of Oregon or its agencies, counties, cities, public corporations or political subdivisions thereof or any person engaged by any of them for the purpose of removing or dispersing fog, or carrying out or performing any other weather modification at an airport owned or operated by the State of Oregon or its agencies, counties, cities, public corporations or political subdivisions thereof, are exempt from the provisions of ORS 558.010 to 558.140 in respect to such operations at such airport only.