Section 307.340 - Filing proof for cancellation of assessment; abatement(1) The property described in ORS 307.330 shall be listed for ad valorem property taxation, but the assessor shall cancel the assessment for any assessment year upon receipt of sufficient documentary proof that the property meets all of the conditions contained in ORS 307.330. Such proof shall be filed with the assessor on or before April 1 of such year. No cancellation of assessment shall be made unless the required proof is filed within the time prescribed by this section. Any cancellation of assessment will be abated as to any nonmanufacturing property that is used or occupied within one year from the time construction commences and the assessor shall proceed to correct the assessment and tax roll or rolls from which the property was omitted from taxation, in the manner provided in ORS 311.216 to 311.232.(2) If the proof required by subsection (1) of this section relates to state-appraised industrial property as defined in ORS 306.126 and is filed with the Department of Revenue within the time required by subsection (1) of this section, the proof shall be deemed timely filed with the assessor.Amended by 2015 Ch. 36,§ 8, eff. 10/5/2015.1959 c.246 §2; 1967 c.51 §2; 1971 c.284 §2; 1991 c.459 §56; 1993 c.270 §77; 1997 c.541 §118