Wash. Rev. Code § 49.85.045
(1) An aggrieved employee or an employee representative, such as a collective bargaining representative or nonprofit corporation, may bring an action in the superior court of the state of Washington for violations of this chapter and may be awarded the following:
(2) Before an employee or an employee representative brings an action in the superior court of the state of Washington for a violation of this chapter, both of the following requirements must be met:
[ 2024 c 129 s 8.]