Or. Rev. Stat. § 43.450
Relevant official records and files of the Departments of the Army, Navy, Air Force, Marine Corps, Coast Guard and Space Force of the United States shall be accorded prima facie probative value in evidence before any court or agency in which there is an issue of fact as to the death or disappearance of any person while serving in or with the Armed Forces of the United States.
[Amended by 2025 c.453 §1]