Neb. Rev. Stat. § 10-1204

Any governmental unit in the State of Nebraska may obtain credit support for its bonds by entering into or obtaining a credit facility for any of its bonds from any United States governmental enterprise or from any bank providing a credit facility which is confirmed or otherwise supported by a credit facility provided by a United States governmental enterprise. Any credit facility shall be approved by a measure adopted before or after issuance of any bonds. Each credit facility shall have such terms and conditions as shall be approved by a measure adopted by the governmental unit before or after the issuance of bonds.