In both ORS 209.250(2)(c) and (3)(g) the intent is that each page of the map and the last page of the narrative, if the narrative is a separate document, shall bear the seal and original signature of the professional land surveyor.
Or. Admin. Code § 820-030-0070
Stat. Auth.: ORS 670.310 & ORS 672.255
Stats. Implemented: ORS 672.002 - 672.325