Wash. Rev. Code § 13.38.080
(1) In any proceeding for the foster care placement of, or termination of parental rights to, an Indian child who is not domiciled or residing within the reservation of the Indian child's tribe, the court shall, in the absence of good cause to the contrary, transfer the proceeding to the jurisdiction of the Indian child's tribe, upon the motion of any of the following persons:
(4) Following entry of an order transferring jurisdiction to the Indian child's tribe:
[ 2011 c 309 s 8.]