Oregon Revised Statutes Probate Law § 115.145

(1) If the personal representative disallows a claim in whole or in part, the claimant, within 30 days after the date of mailing or delivery of the notice of disallowance, may either:

(2) If the claimant fails to either request a summary determination or commence a separate action as provided in subsection (1) of this section, the claim, to the extent disallowed by the personal representative, is barred.

(3) In a proceeding for summary determination of a claim or in a separate action on a claim the claim shall be allowed or judgment entered on the claim in the full amount of the liability, if any, of the decedent to the claimant. However, the claim shall be paid only to the extent of the assets of the estate allocable to the payment of the claim pursuant to ORS 115.115 and 115.125.