(A) When the City Treasurer holds funds of the city in excess of the amount required for maintenance or set aside for betterments and improvements, the Mayor and City Council may, by resolution, direct and authorize the Treasurer to invest the surplus funds in the outstanding bonds or registered warrants of the city, bonds and debentures issued either singly or collectively by any of the 12 federal land banks, the 12 intermediate credit banks, or the 13 banks for cooperatives under the supervision of the Farm Credit Administration, or in interest-bearing bonds or the obligations of the United States. The interest on such bonds or warrants shall be credited to the fund out of which the bonds or warrants were purchased.
(Neb. Rev. Stat. 17-608)
(B) All income received by the city from public utilities and from the payment and collection of water taxes, rents, rates or assessments shall be applied to the payment of running expenses, interest on bonds or money borrowed and the erection and construction of public utilities; should there be any surplus, it shall be annually created into a sinking fund for the payment of public utility bonds or for the improvements of the works, or into the General Fund as the City Council may direct. The surplus remaining, if any, may, if the City Council, be invested in interest-bearing bonds or obligations of the United States.
(Neb. Rev. Stat. 17-540)
(C) The Mayor and City Council may, by resolution, direct and authorize the Treasurer to dispose of the surplus electric light, water, or gas funds, or the funds arising from the sale of electric light, water, or natural gas distribution properties, by the payment of outstanding electric light, water, or gas distribution bonds or water warrants then due. The excess, if any, after such payments, may be transferred to the General Fund of the city.
(Neb. Rev. Stat. 17-609)
(D) Any surplus funds arising out of the operation of any system of waterworks, power plant, ice plant, gas plant, sewerage, heating or lighting plant, or distribution system by the Board of Public Works, or by the City Council, where any of such utilities are not being operated by such a Board, may be invested, if not invested pursuant to the provisions of any other law upon the subject, in like manner and subject to the same conditions as the investment of similar funds of cities of the first class, as provided in Neb. Rev. Stat. 16-691.01.
(Neb. Rev. Stat. 17-803)
(E) (1) Whenever the city has accumulated a surplus of any fund in excess of its current needs or has accumulated a sinking fund for the payment of its bonds and the money in such sinking fund exceeds the amount necessary to pay the principal and interest of any such bonds which become due during the current year, the City Council may invest any such surplus in excess of current needs or such excess in its sinking fund in certificates of deposit, in time deposits, and in any securities in which the State Investment Officer is authorized to invest pursuant to the Nebraska Capital Expansion Act and the Nebraska State Funds Investment Act and as provided in the authorized investment guidelines of the Nebraska Investment Council in effect on the date the investment is made. The State Investment Officer shall upon request furnish a copy of current authorized investment guidelines of the Nebraska Investment Council.
(2) Nothing in division (E)(1) above shall be construed to authorize investments in venture capital.
(Neb. Rev. Stat. 77-2341)