ORS 315.204
Section 10, chapter 682, Oregon Laws 1987, provides:
Sec. 10. Except as provided in ORS 315.204 (12), ORS 315.204 applies to tax years beginning on or after January 1, 1988, and before January 1, 2016. [1987 c.682 §10; 1991 c.929 §3; 2001 c. 674, § 1; 2005 c. 485, § 1; 2009 c. 913, § 46]