Oregon Revised Statutes Insurance § 742.464

Any policy which grants the coverage required for a motor vehicle liability insurance policy under ORS 742.450, 806.080 and 806.270 may also grant any lawful coverage in excess of or in addition to the required coverage, and such excess or additional coverage shall not be subject to the provisions of ORS 742.031, 742.400 and 742.450 to 742.464. With respect to a policy which grants such excess or additional coverage only that part of the coverage which is required by ORS 806.080 and 806.270 is subject to the requirements of those sections.