Neb. Rev. Stat. § 43-146.15

The department or an agency which receives information as provided in section 43-146.11 shall file a written report with the clerk of the court or department within nine months of receipt of the information. The report shall indicate whether the relative has been located and whether a contact between the relative and the adopted person has been arranged or has occurred. If the relative has not been located, the report shall set forth the efforts made to identify and locate the relative.