(1) Under RCW 26.23.030(2), the division of child support (DCS) has the authority to assess and collect interest on unpaid child support that has accrued under any support order entered into the Washington state support registry (WSSR).

(2) DCS does not assess or collect interest on administrative or court orders for support entered in the state of Washington unless the amount of interest has been reduced to a judgment.

(3) DCS may assess and collect interest on support orders entered outside of Washington state as provided in WAC 388-14A-7110.

(4) DCS may update the interest assessed on a case as provided in WAC 388-14A-7120.