Or. R. App. P. 4.25

As amended through January 17, 2024
Rule 4.25 - ADDITIONAL EVIDENCE
(1) An application under ORS 183.482(5) for leave to present additional evidence on judicial review shall be submitted as a motion. The motion shall be accompanied by an affidavit describing the evidence sought to be presented, specifying why the evidence was not produced at the agency hearing and stating whether an extension of time was requested for the purpose of producing the evidence before the agency.
(2) When the court grants an application to present additional evidence pursuant to ORS 183.482(5), it may designate the time in which the new evidence, together with the agency's new findings and order, or certificate that it elects to stand on its original findings and order, shall be filed with the court.
(3) The filing by the agency of the new evidence and findings and order, or certificate that it elects to stand on its original findings and order, shall be accompanied by proof of service of copies of the new evidence, except exhibits unless otherwise provided by law, and the agency's new findings and order or certificate on all parties required to be served.
(4) The granting of an application to present additional evidence shall suspend the time for filing briefs until the filing by the agency of the findings upon the additional evidence, unless otherwise ordered by the court.

Or. R. App. P. 4.25