Oregon Revised Statutes Probate Law § 115.195

(1) A claim that has been disallowed by the personal representative may not be allowed by any court except upon some competent, satisfactory evidence other than the testimony of the claimant.

(2) Notwithstanding subsection (1) of this section, claims for recovery of public assistance as defined by ORS 411.010 or medical assistance as defined in ORS 414.025 may be allowed based on evidence in the form of documents from the Department of Human Services or the Oregon Health Authority that contain information relating to that public assistance or medical assistance, such as the date that services were provided to the decedent, the classification of those services, the name of the provider or the provider's identification number, and the amount of the public assistance or medical assistance payment made for the services. The documents may be prints obtained from microfilm or microfiche, or printouts from computer records or other electronic storage medium. Notwithstanding ORS 40.460 and 40.510, a document described in this subsection is prima facie evidence of the information contained in the document and is not excluded from introduction as hearsay, and extrinsic evidence of authenticity of the document as a condition precedent to admissibility is not required, if the document bears a seal that on its face is the seal of the Director of Human Services or the designee of the director, or the Director of the Oregon Health Authority or the designee of the director, and: