ORS 317.154
Section 6, chapter 911, Oregon Laws 1989, provides:
Sec. 6. ORS 317.152 to 317.154 [series became 317.152, 317.153 and 317.154] apply to amounts paid or incurred in tax years beginning on or after January 1, 1989, and before January 1, 2018. [1989 c.911 §6; 1995 c. 746, § 14; 2001 c. 548, § 1; 2003 c. 739, § 15; 2005 c. 94, § 86; 2011 c. 730, § 7]