OAR 438-085-0545: Proof of Service

(1) A party who files a document with the Hearings Division shall include with the document a proof of service which states the date and manner of compliance with OAR 438-085-0541, including the address at which the other party was served. (2) Proof of service may be made by: (a) Affidavit of service; (b) Written statement made upon the document filed, and signed by the party or representative making the statement; or (c) Letter of transmittal.