(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.

(a) The warrant may include all damages awarded to the employee plus reasonable attorneys' fees for the collection action, reasonable expert witness fees, and other reasonable costs of the action.

(b) For purposes of this section, thirty calendar days begins the day the determination is issued.

(2) The department is not responsible for collection action against an employer that has defaulted the payment of an award established under RCW 50A.40.030.