Wash. Admin. Code § 296-150I-0190
No person may file a lien against a homeowner, or bring or maintain in any court of this state a suit or action, that seeks compensation for the performance of any work requiring certification under chapter 43.22A RCW or for the breach of any contract for installation work which is subject to chapter 43.22A RCW unless:
[Statutory Authority: Chapter 43.22A RCW and 2007 c 432. WSR 08-12-040, § 296-150I-0190, filed 5/30/08, effective 6/30/08.]