Neb. Rev. Stat. § 19-619: Neb. Rev. Stat. § 19-619

If, at the beginning of the term of office of the first city council elected under the city manager plan of government, the appropriations or distribution of the expenditures of the city government for the current fiscal year have been made, the city council shall have power, by ordinance, to repeal or revise such distribution, or to make additional appropriations within the limit of the total taxes levied for the year.