Oregon Revised Statutes Revenue and Taxation § 307.157

(1) Notwithstanding ORS 307.155, if land was used or held exclusively for cemetery or crematory purposes for the preceding tax year and has ceased to be used or held exclusively for cemetery or crematory purposes as of the assessment date for the current tax year, the land shall remain exempt, and the additional tax that would otherwise be due under ORS 307.155 (2) shall remain a potential tax liability that is not imposed, if:

(2) The deferred additional tax described in subsection (1) of this section shall be collected as described in this subsection to the extent that land described in subsection (1) of this section ceases to be used by an incorporated eleemosynary or charitable institution in connection with educational purposes. The amount of additional tax to be collected shall be reduced by 10 percent for each 12-month period in which the land was owned or being purchased by an incorporated eleemosynary or charitable institution in connection with educational purposes.

(3) For each tax year in which the additional tax continues to be deferred, but may subsequently be imposed pursuant to this section, the county assessor shall continue to enter the notation “potential additional tax liability” on the assessment and tax roll.

(4) ORS 307.155 (3), (5) and (6) apply to any additional tax imposed under this section.