Washington Revised Code Title 58. Boundaries and Plats § 58.09.030. Compliance with chapter required

Any land surveyor engaged in the practice of land surveying may prepare maps, plats, reports, descriptions, or other documentary evidence in connection therewith.

Every map, plat, report, description, or other document issued by a licensed land surveyor shall comply with the provisions of this chapter whenever such map, plat, report, description, or other document is filed as a public record.

It shall be unlawful for any person to sign, stamp, or seal any map, report, plat, description, or other document for filing under this chapter unless he or she be a land surveyor.