[§584A-604] Adjudicating parentage of child with acknowledged parent. (a) If a child has an acknowledged parent, a proceeding to challenge the acknowledgment of parentage, brought by a signatory to the acknowledgment, shall be governed by section 584A-403(g).
(b) If a child has an acknowledged parent, the following rules shall apply in a proceeding to challenge the acknowledgment of parentage brought by an individual, other than the child, who has standing under section 584A-203 and was not a signatory to the acknowledgment: