Section 307.684 - Immediate termination of exemption; additional taxes(1) If, after application has been approved under ORS 307.674, the county assessor discovers that the single-unit housing or a portion of the single-unit housing is changed to a use that is other than single-unit housing: (a) The exemption granted the single-unit housing or portion under ORS 307.651 to 307.687 shall terminate immediately, without right of notice or appeal;(b) The property or portion shall be assessed and taxed as other property similarly situated is assessed and taxed; and(c) Notwithstanding ORS 311.235, there shall be added to the general property tax roll for the tax year next following the discovery, to be collected and distributed in the same manner as other real property tax, an amount equal to the difference between the amount of tax due on the property and the amount of the tax that would have been due on the property had it not been exempt under ORS 307.651 to 307.687 for each of the years, not to exceed the last 10 years, during which the property was exempt from taxation under ORS 307.651 to 307.687.(2) If, at the time of discovery, the property is no longer exempt, additional taxes shall be imposed as provided in this section, but the number of years that would otherwise be used to compute the additional taxes shall be reduced by one year for each year that has elapsed since the year the property was last granted exemption.(3) The assessment and tax rolls shall show potential additional tax liability for each property granted exemption under ORS 307.651 to 307.687.(4) Additional taxes collected under this section shall be deemed to have been imposed in the year to which the additional taxes relate.