2013 ORS § 105.158¹
Service of notice of restitution

(1) For purposes of this section, process server means any competent person 18 years of age or older who:

(a) Is a resident of the State of Oregon;

(b) Is not the plaintiff, a relative of the plaintiff or an agent of the plaintiff for purposes of management of the premises;

(c) Is a person regularly employed in the business of serving process; and

(d) Charges a fee no greater than that set by ORS 21.300 (Sheriff and process server fees) (1)(a) for service of the notice of restitution.

(2) The sheriff or a process server shall serve the notice of restitution under ORS 105.152 (Form of notice of restitution for judgment entered under ORS 105.146) or 105.153 (Form of notice of restitution for judgment not entered under ORS 105.146) in the manner provided by this subsection. Notwithstanding ORCP 10, by the end of the next judicial day following the payment of fees:

(a) The sheriff or process server shall mail a copy of the notice of restitution by first class mail to the defendant at the premises; and

(b) The sheriff or process server shall serve the notice of restitution at the premises by personal delivery to the defendant or, if the defendant is not available for service, by attaching a copy of the notice in a secure manner to the main entrance to that portion of the premises of which the defendant has possession.

(3) If service of the notice of restitution is made by a process server, by the end of the next judicial day following service the process server shall file with the clerk of the court a certificate of service in the same manner as provided by ORCP 7 F(2)(a). [2001 c.596 §19 (105.151 (Enforcement of judgment of restitution), 105.152 (Form of notice of restitution for judgment entered under ORS 105.146), 105.153 (Form of notice of restitution for judgment not entered under ORS 105.146), 105.156 (Form of writ of execution for judgment of restitution), 105.157 (Form of eviction trespass notice), 105.158 (Service of notice of restitution), 105.159 (Computation of time before plaintiff may request writ of execution) and 105.161 (Service and enforcement of writ of execution and eviction trespass notice) enacted in lieu of 105.154); 2003 c.304 §8]