Wash. Admin. Code § 296-127-130
Any interested party, as defined in RCW 39.12.010(4) may file with the department a complaint alleging a violation of the prevailing wage laws. The complaint must describe the alleged violation and identify the alleged violator. It would aid the department's investigation if the complaint also specifies:
[Statutory Authority: RCW 39.12.050, 39.12.065, 43.22.270 and 51.04.020. WSR 86-03-063 (Order 85-28), § 296-127-130, filed 1/17/86.]