Wash. Rev. Code § 26.21A.115
(1) A tribunal of this state may exercise jurisdiction to establish a support order if the petition or comparable pleading is filed after a pleading is filed in another state or a foreign country only if:
(2) A tribunal of this state may not exercise jurisdiction to establish a support order if the petition or comparable pleading is filed before a petition or comparable pleading is filed in another state or a foreign country if:
[ 2015 c 214 s 6; 2002 c 198 s 204.]
Denial of waiver—2015 c 214: "If after submission of a waiver request pursuant to section 62 of this act, the federal department of health and human services denies the request for the waiver, then section 61 of this act is inoperative with respect to sections 1 through 60 of this act." [ 2015 c 214 s 63.]
Effective date—Conflict with federal requirements—Waiver—2015 c 214: See notes following RCW 26.21A.010.
Effective date—2002 c 198: See RCW 26.21A.900.