Illinois Statutes Chapter 750. Families § 46/621. Binding effect of determination of parentage

(1) all signatories to an acknowledgment or denial as provided in Article 3 of this Act; and

(2) all parties to an adjudication by a court acting under circumstances that satisfy the jurisdictional requirements of Section 201 of the Uniform Interstate Family Support Act.

(1) the determination was based on an unrescinded acknowledgment as provided in Article 3 of this Act and the acknowledgment is consistent with the results of genetic testing;

(2) 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;

(3) the child was a party or was represented in the proceeding determining parentage by a guardian ad litem, child's representative or attorney for the child; and

(4) the child was no longer a minor at the time the proceeding was initiated and was the moving party resulting in the parentage determination.

(1) expressly identifies a child as a “child of the marriage, civil union, or substantially similar legal relationship”, “issue of the marriage, civil union, or substantially similar legal relationship”, or uses similar words indicating that a party to the marriage, civil union, or substantially similar legal relationship is the parent of the child; or

(2) provides for support of the child by the parties to the marriage, civil union, or substantially similar legal relationship, unless parentage is specifically disclaimed in the order.