Neb. Rev. Stat. § 13-3003

No disciplinary action by any municipality or county may be included in a peace officer's personnel record unless such disciplinary action has been reduced to writing and the peace officer has been given a copy, and no correspondence may be included in a peace officer's personnel record unless the peace officer has been given a copy of the correspondence. The peace officer shall sign a written acknowledgment of receipt for any copy of a disciplinary action. This section does not apply to any municipality or county accredited through the Commission on Accreditation for Law Enforcement Agencies.