Neb. Rev. Stat. § 72-503: Neb. Rev. Stat. § 72-503

If the lessee defaults in the payment of his interest or rental for more than one year, the Board of Educational Lands and Funds may cause notice to be given and a forfeiture declared as provided by law regulating the leasing of school lands, and when so forfeited the land shall be again offered for lease after having been advertised as provided by law.