Neb. Rev. Stat. § 25-21,121: Quo warranto; action; against whom brought.

An information may be filed against any person unlawfully holding or exercising any public office or franchise within this state, or any office in any corporation created by the laws of this state, or when any public officer has done or suffered any act which works a forfeiture of his office, or when any persons act as a corporation within this state without being authorized by law, or if, being incorporated, they do or omit acts which amount to a surrender or forfeiture of their rights and privileges as a corporation, or when they exercise powers not conferred by law.