ORS 93.312: Oregon Coordinate System.

(1) As used in this section, “Oregon Coordinate System” means a coordinate mapping system, composed of three coordinate projection mapping systems known as: (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. (2) A description of land that contains coordinates associated with the position of a point on a land boundary must: (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. (3) The Department of Transportation shall adopt rules implementing the Oregon Coordinate System. [2011 c.179 §1]