Or. Rev. Stat. § 308.585
The Department of Revenue shall prepare the tentative assessment roll of property subject to assessment under ORS 308.505 to 308.674 on or before June 15 of the assessment year.
[Amended by 1969 c.520 §30; 1973 c.402 §9; 1991 c.459 §152b; 2007 c.616 §4]