Oregon Revised Statutes Revenue and Taxation § 317.327

(1) If gain is deferred upon the voluntary or involuntary disposition of property in an exchange that qualifies for deferral under section 1031 or 1033 of the Internal Revenue Code,  1 and the property acquired in the exchange has a situs outside of this state, upon the sale or other disposition of the acquired property in a transaction in which gain or loss is recognized for federal tax purposes but is not taken into account in computing taxable income for Oregon tax purposes, there shall be added to taxable income the difference between:

(2) If the adjusted basis described in subsection (1)(a) of this section is larger than either value described in subsection (1)(b) of this section, the difference computed under subsection (1) of this section shall be subtracted from taxable income instead of being added to taxable income.

(3) The Department of Revenue may require taxpayers owning property acquired in an exchange under section 1031 or 1033 of the Internal Revenue Code that has a situs outside of this state to file an annual report on the acquired property, and may adopt rules to implement reporting requirements under this section.