(1) The court may find an irrevocable waiver of parental rights of:
(a) a putative father who was timely served with notice of intent to release if the court is provided with proof of service and proof that the putative father failed to timely comply with the requirements of the putative father registry;
(b) a parent or putative father who is served with notice of proceedings and fails to appear at the hearing; or
(c) a parent or putative father who is served with notice of proceedings and appears and denies any interest in custody of the child.
(2) The court may terminate parental rights under this section upon a finding of irrevocable waiver of all rights to the child.