Oregon Revised Statutes Procedure in Civil Proceedings § 25.190

(1) The examination may be continued for further review of the obligor's financial circumstances and employment, or the matter may be certified to the court for a contempt hearing on the issue of failure to pay support as ordered. If the examination is to be continued for further review or is to be certified to the court for a contempt hearing, the obligor shall be served at the examination with a notice stating the time, date and place for further examination or hearing before the court. Service may be made by an employee of the Department of Justice or district attorney.

(2) Any notice served upon the obligor regarding a continuation of the examination or regarding the certification of the matter to the court for a contempt hearing must also be served upon the obligee. Such service upon the obligee may be by regular mail.