2013 ORS § 19.260¹
Filing by mail

(1) Filing a notice of appeal in the Court of Appeals or the Supreme Court may be accomplished by mail. The date of filing such notice shall be the date of mailing, provided it is mailed by registered or certified mail and the party filing the notice has proof from the post office of such mailing date. Proof of mailing shall be certified by the party filing the notice and filed thereafter with the court to which the appeal is taken. If the notice is received by the court on or before the date by which such notice is required to be filed, the party filing the notice is not required to file proof of mailing.

(2) Service of notice of appeal on a party, transcript coordinator or the trial court administrator, or service of a petition for judicial review on a party or administrative agency may be accomplished by first class, registered or certified mail. The date of serving such notice shall be the date of mailing. Proof of mailing shall be certified by the party filing the notice and filed thereafter with the court to which the appeal is taken.

(3) Notwithstanding subsections (1) and (2) of this section, if the party filing a notice of appeal is involuntarily confined in a state or local governmental facility, the date of filing of a notice of appeal in the Court of Appeals or the Supreme Court, and the date of service under subsection (2) of this section, is the date on which the party delivers the original notice of appeal, and the appropriate number of copies of the notice for service under subsection (2) of this section, to the person or place designated by the facility for handling outgoing mail.

(4) Except as otherwise provided by law, the provisions of this section are applicable to petitions for judicial review, cross petitions for judicial review and petitions under the original jurisdiction of the Supreme Court or Court of Appeals. [Formerly 19.028; 1999 c.367 §6; 2011 c.310 §1]