ORS § 545.416
Not more than 30 nor less than 10 days before the annual date specified by the board of directors as provided in ORS 545.418, the secretary of the board shall give notice of the time the board, acting as a board of equalization, will meet for the purpose of reviewing and correcting its assessment and apportionment of taxes, as provided in ORS 545.418. The secretary of the board shall publish the notice at least once in a newspaper published in each county in which the district is situated. The board shall meet for this purpose on the date specified by the board as provided in ORS 545.418. In the meantime the assessment list and record shall remain in the office of the secretary of the board, for the inspection of all persons interested. All persons shall be presumed to have notice of the time of the meeting, whether they receive actual notice or not.
ORS 545.416