Oregon Revised Statutes Labor and Employment; Unlawful Discrimination § 657.195

(a) If the position offered is vacant due directly to a strike, lockout or other labor dispute.

(b) If the remuneration, hours or other conditions of the work offered are substantially less favorable to the individual than those prevailing for similar work in the locality.

(c) If as a condition of being employed the individual would be required to join a company union or to resign from or refrain from joining any bona fide labor organization.