Nebraska Revised Statute 43-104.25
Chapter 43 Section 104.25
Child born out of wedlock; biological father; applicability of sections.
With respect to any person who has been adjudicated by a Nebraska court of competent jurisdiction to be the biological father of a child born out of wedlock who is the subject of a proposed adoption:
(1) Such person shall not be construed to be a putative father for purposes of sections 43-104.01 to 43-104.05 and shall not be subject to the provisions of such sections as applied to such fathers; and
(2)(a) If the adjudicated biological father has been provided notice in substantial compliance with section 43-104.12 or section 43-104.14, whichever notice is earlier, and he has not executed a valid relinquishment or consent to the adoption, the mother or lawful custodian of the child or his or her agent shall file a motion in the court with jurisdiction of the custody of the child for a hearing to determine whether such father's consent to the adoption is required and whether the court shall give its consent to the adoption;
(b) Notice of the motion and hearing shall be served on the adjudicated biological father in the manner provided for service of process under applicable state law; and
(c) Within thirty days after service of notice under subdivision (b) of this subdivision, the court shall conduct an evidentiary hearing to determine whether the adjudicated biological father's consent to the adoption is required and whether the court shall give its consent to the adoption. Whether such father's consent is required for the proposed adoption shall be determined pursuant to section 43-104.22.