All Class "A" and "B" vehicles shall also be equipped with two side view mirrors; one installed on each side in such a manner as to give the driver a clear view to the rear in all lanes of traffic.
Or. Admin. Code § 735-124-0110
Stat. Auth.: ORS 184.616 & ORS 820.030
Stats. Implemented: ORS 820.010 - ORS 820.030