Neb. Rev. Stat. §§ 23-129
If it appears that a majority of the total number of votes cast upon the proposition at the election in which the proposition is submitted are in favor of the proposition, except the proposal for bonds as provided in section 23-3501, which require a majority of votes cast upon the proposition at the election at which the proposition is submitted, and it also appears that the requirements of the law have been fully complied with, the same shall be entered at large by the county board upon the book containing the record of its proceedings, and it shall then have power to levy and collect the special tax in the same manner as other county taxes are collected. Propositions thus acted upon cannot be rescinded by the county board.
Neb. Rev. Stat. §§ 23-129