(1) The employer shall be liable to the Washington state support registry, or to the agency or firm providing child support enforcement for another state, under Title IV-D of the federal social security act and issuing a notice, garnishment, or wage assignment attaching wages or earnings in satisfaction of a support obligation, for the amount of support moneys which should have been withheld from the employee's earnings, if the employer:
(a) Fails or refuses, after being served with an income withholding order under Title IV-D of the federal social security act, to deduct and promptly remit from unpaid earnings the amounts of money required in the order;
(b) Fails or refuses to submit an answer to the income withholding order under Title IV-D of the federal social security act, after being served; or
(c) Is unwilling to comply with the other requirements of RCW
26.23.060.
(2) Liability may be established in superior court or may be established pursuant to RCW
74.20A.350. Awards in superior court and in actions pursuant to RCW
74.20A.350 shall include costs, interest under RCW
19.52.020 and
4.56.110, and reasonable attorneys' fees and staff costs as a part of the award. Debts established pursuant to this section may be collected by the division of child support using any of the remedies available under chapter
26.09, 26.18, *26.21, 26.23, 74.20, or
74.20A RCW for the collection of child support.