Neb. Rev. Stat. § 25-1587.04

(a) At the time of the filing of the foreign judgment, the judgment creditor or his or her lawyer shall make and file with the clerk of the court an affidavit setting forth the name and last-known post office address of the judgment debtor and the judgment creditor. (b) Promptly upon the filing of the foreign judgment and the affidavit, the clerk shall mail notice of the filing of the foreign judgment to the judgment debtor at the address given and shall file notice of the mailing on the record. The notice shall include the name and address of the judgment creditor and the judgment creditor's lawyer, if any, in this state. In addition, the judgment creditor may mail a notice of the filing of the judgment to the judgment debtor and may file proof of mailing with the clerk. Lack of mailing notice of filing by the clerk shall not affect the enforcement proceedings if proof of mailing by the judgment creditor has been filed.