Neb. Rev. Stat. § 54-189
Satisfactory evidence of ownership consists of the brands, tattoos, or marks on the livestock; approved nonvisual identifiers; point of origin of livestock; the physical description of the livestock; the documentary evidence, such as bills of sale, brand clearance, certificates of inspection, breed registration certificates, animal health or testing certificates, genomic testing certificates, recorded brand certificates, purchase sheets, scale tickets, disclaimers of interest, affidavits, court orders, security agreements, powers of attorney, canceled checks, bills of lading, or tags; and such other facts, statements, or circumstances that taken in whole or in part cause an inspector to believe that proof of ownership is established.
Neb. Rev. Stat. § 54-189