Or. Admin. Code § 690-030-0070
The notice of the time and place fixed for the hearing of a contest is served upon the party or parties contested by registered mail; and said notice will be prepared and delivered for service by the Water Resources Director; and the Water Resources Director shall cause notice of the said time and place of hearing to be served upon each of the parties contestant, or his agent or attorney, if he appear by agent or attorney, by depositing such copy of such notice in the post office as registered mail, properly addressed to said contestant, or his agent or attorney, as the case may be; and the said contestant shall be required, in his statement of contest, to set forth his post office address, or the post office address of his agent or attorney upon whom he desires service of such notice to be made; also the address, or place, where each of such contestees may be found for service, so far as he can ascertain.
Or. Admin. Code § 690-030-0070
Stat. Auth.: ORS 536 & ORS 543
Stats. Implemented: