Or. Rev. Stat. § 58.037
(1) Notwithstanding any provision of ORS chapter 60 or ORS 58.035, this chapter shall apply to a corporation, and to the joint and several liability of the shareholders of a corporation, organized by a professional under ORS chapter 60 for the purpose of rendering professional service or services unless, prior to December 1, 1992:
[1993 c.235 §11; 1995 c.327 §3; 1997 c.774 §2; 2013 c.196 §17]