Neb. Rev. Stat. § 81-2,155: Hybrid seed corn; practices forbidden.

It shall be unlawful for any person, firm, corporation or its agents or representatives to sell, offer or expose for sale, or falsely mark or tag, within the State of Nebraska, any seed corn as hybrid unless it is seed of the first generation of a cross involving two, three, or four different inbred lines of corn or their combinations.