Oregon Revised Statutes Labor and Employment; Unlawful Discrimination § 657.652

In any action, suit or proceeding brought by or against the Director of the Employment Department a certificate attested to by the director or the authorized representative of the director showing the amount of contributions, interest and penalties due from an employing unit shall be prima facie evidence of the payment by the employing unit of the amount of wages for employment set forth therein, of the levy of assessment, of the delinquency, and of the compliance by the director or the authorized representative of the director with all the provisions of this chapter relating to the computation and assessment of the contributions, interest and penalties specified in the certificate.