Or. Admin. R. 820-025-0015 – Final Documents

(1) All final documents identified in ORS 672.020(2), 672.025(2), and 672.028(2) must bear the seal and signature of the registrant under whose supervision and control they were prepared.
(2) Documents that are not final documents must be marked as "preliminary", "not for construction", "review copy", "draft copy, subject to change", or with some similar wording to indicate that the documents are not intended to represent the final work product of the registrant. Documents submitted to a client, customer, public entity, or any other person, are final documents and must bear the seal and signature of the registrant under whose supervision and control they were prepared, unless such document is clearly marked as not a final document.

ORS 670.310, 672.020, 672.025, 672.028 & 672.255

ORS 672.002 - 672.325