Nebraska Revised Statutes Chapter 86. Telecommunications and Technology § 86-298. Pen register; trap-and-trace device; restrictions on use; penalty

(a) Relating to the operation, maintenance, and testing of an electronic communication service, to the protection of the rights or property of such provider or to the protection of users of that service from abuse of service or unlawful use of service;

(b) To record the fact that a wire or electronic communication was initiated or completed in order to protect such provider, another provider furnishing service toward the completion of the wire or electronic communication, or a user of such service from fraudulent, unlawful, or abusive use of service; or

(c) When the consent of the user of such service has been obtained.