Oregon Revised Statutes Labor and Employment; Unlawful Discrimination § 656.505

(1) In every case where an employer fails or refuses to file any report of payroll required by ORS 656.504 and fails or refuses to pay the premiums and assessments due on such unreported payroll the State Accident Insurance Fund Corporation shall have authority to estimate such payroll and make a demand for premiums and assessments due thereon.

(2) If the report required and the premiums and assessments due thereon are not made within 30 days from the mailing of such demand the employer shall be in default as provided in ORS 656.560, and the corporation may have and recover judgment or file liens for such estimated premiums and assessments or the actual premium and assessment, whichever is greater.