Neb. Rev. Stat. § 54-1,116

(1) All livestock sold or otherwise disposed of shall be accompanied by a properly executed bill of sale in writing or, for cattle, satisfactory evidence of ownership or a certificate of inspection. All owners of or persons possessing livestock have a duty to exhibit, upon the request of the brand committee or its employees, either the bill of sale or other satisfactory evidence of ownership of the livestock. (2) A violation of this section is an infraction. A peace officer shall have the authority to write a citation, which shall be waivable, to offenders in violation of this section. A fine under this section shall not exceed two hundred dollars per head for each offense. Violations shall be charged in the county in which the offense occurred.