Oregon Revised Statutes Procedure in Civil Proceedings § 25.180

(1) The examination shall be conducted under oath by an employee of the Department of Justice or district attorney. The employee shall inform the obligor that the obligor's answers may be used in subsequent enforcement and possible criminal proceedings, and that the obligor has a right to be represented by an attorney at the examination. A record of the examination may be made by either stenographic or electronic means. The obligor may be examined in regard to the obligor's income and property, and to any matter relevant to the obligor's ability to pay support.

(2) An obligee or the obligee's attorney may examine the obligor in a proceeding conducted under this section.