Removal of nonconforming signs deferred. Any sign lawfully maintained in a scenic area prior to the establishment of the area as a scenic area and not included within the exceptions of ORS 377.510, shall be removed by the owner thereof prior to seven years following the establishment of the area as a scenic area, unless the sign is required to be removed at an earlier date, pursuant to other state laws. [1961 c.614 §8; 1965 c.219 §25; 1967 c.590 §15]

ORS 377.515 — under Chapter 377.