[§584A-605]  Adjudicating parentage of child with adjudicated parent.  (a)  If a child has an adjudicated parent, a proceeding to challenge the adjudication, brought by an individual who was a party to the adjudication or received notice under section 584A-201, shall be governed by the rules governing a collateral attack on a judgment.

     (b)  If a child has an adjudicated parent, the following rules shall apply to a proceeding to challenge the adjudication of parentage brought by an individual, other than the child, who has standing under section 584A-203 and was not a party to the adjudication and did not receive notice under section 584A-201:

     (1)  The individual shall commence the proceeding no later than two years after the effective date of the adjudication, unless good cause is shown;

     (2)  The court may permit the proceeding only if the court finds permitting the proceeding is in the best interest of the child pursuant to section 571-46(b); and

     (3)  If the court permits the proceeding, the court shall adjudicate parentage under section 584A-607. [L 2025, c 298, pt of §2]