WAC 388-14A-7110. The division of child support may enforce interest on amounts owed under support orders entered or established in a jurisdiction other than Washington state

(1) The division of child support (DCS) may accept an intergovernmental request to enforce interest when: (a) The request is from: (i) Another state's IV-D agency; (ii) An Indian tribe; (iii) A foreign country which has entered into a reciprocal agreement with the United States of America or with the state of Washington; (iv) A foreign country which has ratified the Hague Convention on Child Support; or (v) A custodial parent (CP) or noncustodial parent (NCP) who resides outside of Washington state who has filed a petition under the Uniform Interstate Family Support Act (UIFSA), chapter 26.21A RCW. (b) The party requesting that DCS enforce interest provides a calculation of the interest claimed which has been certified by a IV-D agency or a certified public accountant (CPA); and (c) The support order was entered or established in a jurisdiction other than Washington state. (2) When a foreign support order has been submitted for enforcement under UIFSA, DCS may, at its option, either: (a) Use the notice of support debt and demand for payment to enforce interest on an out-of-state support order. See WAC 388-14A-3304 for the rules regarding the notice of support debt and demand for payment; or (b) Use a notice of support debt and registration to enforce interest on the foreign order. See WAC 388-14A-7100 and 388-14A-7005 for the rules regarding registration of a foreign order. (3) When an out of state order has been submitted for registration for enforcement and modification under UIFSA, DCS uses a notice of support debt and registration to enforce interest on the out of state order. See WAC 388-14A-7100 and 388-14A-7005 for the rules regarding registration of a foreign support order. (4) Any hearing held on a notice of support debt and registration which includes a claim for interest is conducted in accordance with WAC 388-14A-7125 , 388-14A-7115 , and 388-14A-7005 . (a) WAC 388-14A-7135 describes the procedures for confirmation of the registered order. (b) WAC 388-14A-7135 describes the effect of confirmation of the registered order. (5) At any time after the notice of support debt and registration becomes a final administrative order, DCS may update the amount of interest as provided in WAC 388-14A-7120 .