An alleged genetic parent or presumed parent may sign a denial of parentage in a record filed with the court. The denial of parentage shall be valid only if:
(1) Another individual other than the individual who gave birth to the child agrees to have that other individual's parentage of the child established under this part, and the agreement is in an affidavit filed with the court;
(2) The signature of the alleged genetic parent or presumed parent is attested by a notarial officer or witnesses; and
(3) The alleged genetic parent or presumed parent has not previously:
(A) Completed a valid acknowledgment of parentage, unless the previous acknowledgment was rescinded under section 584A-403(f) or challenged successfully under section 584A-403(g); or
(B) Been adjudicated to be a parent of the child.