Wash. Rev. Code » Title 26 · Chapter 26.21A
Revised Code of Washington

Wash. Rev. Code § 26.21A.510 (2026)

Effect of registration for enforcement

✓ current as of May 2026
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(1) A support order or income-withholding order issued in another state or a foreign support order is registered when the order is filed in the registering tribunal of this state.
(2) A registered support order issued in another state or a foreign country is enforceable in the same manner and is subject to the same procedures as an order issued by a tribunal of this state.
(3) Except as otherwise provided in this chapter, a tribunal of this state shall recognize and enforce, but may not modify, a registered support order if the issuing tribunal had jurisdiction.
[ 2015 c 214 s 31; 2002 c 198 s 603.]

Notes:

Effective date—Conflict with federal requirements—Waiver—2015 c 214: See notes following RCW 26.21A.010.
Denial of waiver—2015 c 214: See note following RCW 26.21A.115.
Effective date—2002 c 198: See RCW 26.21A.900.
Notes of Decisions
Cited in 4 cases, 2015–2020 · leading case: Brett v. Martin, 445 P.3d 568 (Wash. Ct. App. 2019).
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Brett v. Martin, 445 P.3d 568 (Wash. Ct. App. 2019). “RCW 26.21A.510. ¶12 The law of the issuing jurisdiction governs the nature, extent, amount, and duration of current payments under a registered support order, as well as the computation *310 and payment of arrearages and accrual of interest on the arrearages, and the existence…”
Christine Crabtree v. Donald Clinton Crabtree (Wash. Ct. App. 2020). · cites it 3× “” RCW 26.21A.510(2). To that end, under the law of this state, “[i]f an obligor fails to comply with a support or maintenance order, a petition or motion may be filed .”
Ronald Brett, V State Of Washington (Wash. Ct. App. 2019). “RCW 26.21A.510. The law of the issuing jurisdiction governs the nature, extent, amount, and duration of current payments under a registered support order, as well as the computation and payment of arrearages and accrual of interest on the arrearages, and the existence and…”
In Re The Paternity Of M.h., Stephanie Bell v. Juan S. Heflin (Wash. Ct. App. 2015). “" RCW 26.21A.510(2). Bell contends that under UIFSA, Washington courts must enforce a registered child support for as long as it is enforceable in the issuing state.”
— Wash. Rev. Code § 26.21A.510(2) — 2 cases
Christine Crabtree v. Donald Clinton Crabtree (Wash. Ct. App. 2020). “” RCW 26.21A.510(2). To that end, under the law of this state, “[i]f an obligor fails to comply with a support or maintenance order, a petition or motion may be filed .”
In Re The Paternity Of M.h., Stephanie Bell v. Juan S. Heflin (Wash. Ct. App. 2015). “" RCW 26.21A.510(2). Bell contends that under UIFSA, Washington courts must enforce a registered child support for as long as it is enforceable in the issuing state.”
— Wash. Rev. Code § 26.21A.510(3) — 1 case
Christine Crabtree v. Donald Clinton Crabtree (Wash. Ct. App. 2020). “” RCW 26.21A.510(2). To that end, under the law of this state, “[i]f an obligor fails to comply with a support or maintenance order, a petition or motion may be filed .”
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