The duties of the Finance Director shall be: To certify to the Treasurer the amount due to the City, from any source, and the Treasurer shall not receive such money unless such certificate shall have been presented and filed, showing the amount, from what source the indebtedness has arisen, and to what fund it should be apportioned; to keep a complete set of books, showing the balance of money in the treasury, and the amount charged against each officer or employee; to prepare, countersign and deliver, from time to time, as may be required, to the proper officer, agent or employee, all licenses and receipts, charging such officer, agent or employee therewith, and taking his receipt therefor; to draw and sign all warrants upon the treasurer for the payment of any demand against the City, when allowed by the Council, or proper board or officer. No warrant shall be drawn, except upon a written demand, as aforesaid which shall be filed and kept in the office of the Finance Director, with the date of filing, when allowed, and the name of the person holding the original demand against the City. He shall, upon the death or removal or expiration of the term of any officer handling any funds of the City, or being charged with any such funds, examine the accounts of such officer or employee, and report the result of his examination to the Manager. (Amended November 8, 1988: amended April 21, 1941)