RCW 58.20.160
Tracts in more than one zone.
When any tract of land to be defined by a single description extends from one coordinate zone into other zones, the positions of all points on its boundaries must be referred to only one of the zones, the zone which is used being specifically named in the description along with the metadata of the observations.
[ 2020 c 50 § 5; 1989 c 54 § 14.]
Structure Revised Code of Washington
Title 58 - Boundaries and Plats
Chapter 58.20 - Washington Plane Coordinate System.
58.20.121 - Washington plane coordinate system.
58.20.140 - Designation of system—Zones.
58.20.145 - Plane coordinates.
58.20.160 - Tracts in more than one zone.
58.20.180 - Recording coordinates.
58.20.185 - Standard value—One foot.
58.20.210 - United States survey prevails—Conflict.