Oregon Revised Statutes Property Rights and Transactions § 93.312

(a) The Oregon State Plane Coordinate System of 1927;

(b) The Oregon State Plane Coordinate System of 1983; and

(c) The Oregon Coordinate Reference System.

(a) Use the Oregon Coordinate System;

(b) Use one specified zone and system for the entire description;

(c) Include coordinate system datum with epoch and zone designation;

(d) Use coordinates established by a survey connection to the National Spatial Reference System;

(e) Reference a survey of record that reports the accuracy of coordinates at a 95 percent confidence level; and

(f) Include distances, bearings, areas and other boundary elements.