Wash. Rev. Code § 50A.40.035
(1) If the department issues a determination under RCW 50A.40.020 that an employer owes liquidated damages, the employer must, within thirty calendar days, either pay all damages owed or file an appeal as provided in this title. Thereafter, all parties owed moneys may initiate collection action against the employer by filing a warrant with the clerk of any county within the state.
[ 2020 c 125 s 16.]