No municipality shall issue its bonds as authorized by section 40-33-04 until the question of issuing the bonds shall have been approved by a majority of the electors of the municipality voting upon such question at an election called, held, and conducted as specified in section 40-33-02. The notice of the election shall specify the maximum amount, maximum interest rate, purpose, and maturity of the bonds. The bonds shall be sold in the manner provided by chapter 21-03. At or before the issuance of the bonds, the municipality, by ordinance, shall levy a direct, annual, and irrepealable tax upon all the taxable property in the municipality in the years and in amounts sufficient to pay the principal and interest of the bonds when due.
40-33-08. Questions and propositions may be voted upon at same election and may be contained on one ballot. Any or all of the propositions and questions to be voted upon as specified in sections 40-33-02 and 40-33-07 may be submitted at one and the same election and upon one ballot, but the ballot shall state each of the propositions separately.
40-33-09. Extension of municipal lighting, heating, or power system, or gas works by special assessment method. An extension to an existing municipal lighting, heating, or power system or gas works shall be considered an improvement within the provisions of this chapter.
40-33-10. Municipal utilities fund - Contents - Kept separate from other funds - Use and disbursement. All money received by a municipality for the service of any utility owned and operated by the municipality, and all money, receipts, and returns received from any investments of the earnings of such utilities, shall be paid into the treasury of the municipality and kept in a fund known as the municipal utilities fund. All of the moneys, earnings, and receipts deposited in such fund shall be kept separate and distinct from all other funds of the municipality until used. The fund shall be used only for the purposes and disbursed only in the manner provided by this chapter.