Accounts shall be kept by the City Finance Director, showing the financial transactions of all departments of the city. The Finance Director shall have the authority and shall be required to:
(a)
Supervise and be responsible for the disbursement of all moneys and have control over all expenditures to ensure that the budget appropriations are not exceeded;
(b)
Maintain a general accounting system for the city government and each of its offices, departments and agencies; keep books for and exercise financial budgetary control over each office, department and agency; keep separate accounts for the items of appropriation contained in the city budget, each of which accounts shall show the amount of the appropriation, the amounts paid therefrom, the unpaid obligations against it and the unencumbered balance; require reports of receipts and disbursements from each receiving and spending agency of the city government to be made daily or at such intervals as the Finance Director may deem expedient;
(c)
Submit to the Council through the City Manager a monthly statement of all receipts and disbursements in sufficient detail to show the exact financial condition of the city;
(d)
Prepare for the City Manager, as of the end of each fiscal year, a complete financial statement and report;
(e)
Approve all proposed expenditures; unless the Finance Director shall certify that there is an unencumbered balance of appropriation and available funds, no appropriation shall be encumbered and no expenditure shall be made;
(f)
The Finance Director shall have and perform for the City of Bangor all of the powers and duties imposed by law upon municipal treasurers and tax collectors. For purposes of this article, one or more of the functions of the Finance Director may be delegated to one or more designees.