750 ILCS 46/617

(750 ILCS 46/617)

Sec. 617. Rules for adjudication of parentage of an alleged genetic parent.

(a) In a proceeding involving an alleged genetic parent who is not a presumed parent, if the woman or individual who gave birth to the child is the only other individual with a claim to parentage, the court shall apply the following rules to adjudicate a claim of parentage of a child:

(1) Unless the results of the genetic testing or other evidence are admitted to rebut other results of genetic testing, a person identified as the parent of a child under Section 404 of this Act may be adjudicated the parent of the child.

(2) If the court finds that genetic testing under Section 404 neither identifies nor excludes a person as the parent of a child, the court may not dismiss the proceeding. In that event, the results of genetic testing and other evidence are admissible to adjudicate the issue of parentage.

(3) Unless the results of genetic testing are admitted to rebut other results of genetic testing, a person excluded as the parent of a child by genetic testing may be adjudicated not to be the parent of the child.

(b) If in a proceeding involving an alleged genetic parent, at least one other individual in addition to the woman or individual who gave birth to the child has a claim to parentage of the child under this Act, the court shall adjudicate parentage under Section 610.

(Source: P.A. 104-448, eff. 12-12-25.)