Oregon Revised Statutes Evidence and Witnesses § 41.930

The copy of the records described in ORCP 55 H or ORS 136.447 is admissible in evidence to the same extent as though the original thereof were offered and a custodian of hospital records had been present and testified to the matters stated in the affidavit. The affidavit is admissible as evidence of the matters stated therein. The matters stated therein are presumed to be true. The presumption established by this section is a presumption affecting the burden of producing evidence.