Oregon Revised Statutes Mortgages and Liens § 87.860

(1) The lien claimant under ORS 87.855 (1), or the representative of the claimant, or the trustees of the employee benefit plan fund on the claimant's behalf, within 60 days after the last delinquent payment becomes due shall file for record with the recording officer of the county wherein the claimant is or was employed by such employer a notice of claim, containing a statement of the demand, the name of the employer and the name of the person employing the claimant, if known, with a statement of the pertinent terms and conditions of the employee benefit plan and the time when such contributions are due and were to have been paid, and shall deliver in person or mail by registered mail or by certified mail with return receipt to the employer a copy thereof within such time.

(2) The recording officer shall, upon presentation of the notice described in subsection (1) of this section, file it and index it in a book to be kept for that purpose called “Index of Employe Benefit Plan Liens.”