The treasurer shall create and maintain a separate fund designated as the maintenance fund or general fund of the district into which shall be paid all money received by the treasurer from the collection of taxes other than taxes levied for the payment of general obligation bonds of the district and all revenues of the district other than assessments levied in local improvement districts or utility local improvement districts, and no money shall be disbursed therefrom except upon warrants of the county auditor issued by authority of the commissioners or upon a resolution of the commissioners ordering a transfer to any other fund of the district. The treasurer also shall maintain such other special funds as may be prescribed by the district, into which shall be placed such money as the board of commissioners may by its resolution direct, and from which disbursements shall be made upon proper warrants of the county auditor issued against the same by authority of the board of commissioners.