Neb. Rev. Stat. § 14-390: Neb. Rev. Stat. § 14-390

Except as otherwise specifically provided in sections 14-384 to 14-3,127 , any city shall not order or cause to be made any of the improvements provided in such sections in any improvement district except upon a petition of the record owners of the majority of the frontage of taxable property in the district abutting upon the streets or parts of streets proposed to be improved.