Oregon Revised Statutes Revenue and Taxation § 321.216

(1) On or before June 1 of each assessment year, the Department of Revenue shall adopt specially assessed values of forestland, as of the assessment date for that year. The department shall certify the specially assessed values of forestland in eastern Oregon to the county assessors of eastern Oregon and the specially assessed values of forestland in western Oregon to the county assessors of western Oregon.

(2) The certified specially assessed values constitute:

(3) Upon receipt of the certified values, the county assessors shall develop tables for each assessment year that reflect, for each class and area, the values determined under this section and that express the values as values per acre.