Wash. Rev. Code § 70.58A.400
(1) The state registrar shall amend the birth record of a child born in state to reflect an adoption decree received from a Washington state court of competent jurisdiction upon receipt of:
(2) The state registrar shall amend the live birth record of a child born in state to reflect an adoption report from any other state or territory of the United States, and the District of Columbia, upon receipt of:
(3) The state registrar shall register the birth of a child born outside the United States and its territories and adopted after January 1, 1985, in a Washington state court of competent jurisdiction upon receipt of:
(4) The state registrar shall register the birth of a child born outside the United States and its territories and adopted before January 1, 1985, in a Washington state court of competent jurisdiction upon receipt of:
(c) Documentary evidence as to the child's birthdate and birthplace provided by:
[ 2019 c 148 s 17.]