Neb. Rev. Stat. § 47-411: Neb. Rev. Stat. § 47-411

The willful failure of a prisoner to comply with the order of the court granting him the privilege of leaving the jail as provided by sections 47-401 to 47-411 or to return within the time set forth in such order shall be deemed an escape from custody punishable as provided by applicable municipal ordinances or state statutes.