(1) Except as otherwise provided in subsection (2) of this section, a determination of parentage is binding on:

     (a) All signatories to an acknowledgment or denial of paternity as provided in RCW 26.26.300 through 26.26.375; and

     (b) All parties to an adjudication by a court acting under circumstances that satisfy the jurisdictional requirements of *RCW 26.21.075.

     (2) A child is not bound by a determination of parentage under this chapter unless:

     (a) The acknowledgment of paternity is consistent with the results of the genetic testing;

     (b) The adjudication of parentage was based on a finding consistent with the results of genetic testing and the consistency is declared in the determination or is otherwise shown; or

     (c) The child was represented in the proceeding determining parentage by a guardian ad litem.

     (3) In a proceeding to dissolve a marriage, the court is deemed to have made an adjudication of the parentage of a child if the court acts under circumstances that satisfy the jurisdictional requirements of *RCW 26.21.075, and the final order:

     (a) Expressly identifies a child as a "child of the marriage," "issue of the marriage," or similar words indicating that the husband is the father of the child; or

     (b) Provides for support of the child by the husband unless paternity is specifically disclaimed in the order.

     (4) Except as otherwise provided in subsection (2) of this section, a determination of parentage may be a defense in a subsequent proceeding seeking to adjudicate parentage by an individual who was not a party to the earlier proceeding.

     (5) A party to an adjudication of paternity may challenge the adjudication only under law of this state relating to appeal, vacation of judgments, and other judicial review.

[2002 c 302 § 537.]

NOTES:

     *Reviser's note: RCW 26.21.075 was repealed by 2002 c 198 § 901, effective January 1, 2007. Later enactment, see RCW 26.21A.100.