Wash. Rev. Code § 13.38.130
(4)
(b) In any proceeding in which the child's Indian tribe has not intervened or entered into a local agreement with the department for the provision of child welfare services, or a child's Indian tribe has not responded to a request to identify a "qualified expert witness" for the proceeding on a timely basis, the petitioner shall provide a "qualified expert witness" who meets one or more of the following requirements in descending order of preference:
[ 2011 c 309 s 13.]