Oregon Revised Statutes Revenue and Taxation § 314.308

(a) Any person who engages in a reportable transaction as a buyer or transferor shall report the transaction to the department.

(b) Any person who, as the result of a reportable transaction, acquires an interest in property, a present or future right to income, a present or future right to claim a loss, deduction, credit, exemption or other tax benefit or a present or future right to an adjustment to basis shall report the transaction to the department.

(c) Any person who is associated with a reportable transaction in an association that the department has by rule identified as an association that requires reporting shall report the transaction to the department.