No board, agency or commission of the city shall make any expenditure, obligate the city or its funds, fix salaries of employees or agents, enter into contracts or dispose of any public property unless the same is approved by the city council as required for the payment of any other public debt or the assumption of any public obligation. All funds shall be subject to the control of the city council and the city treasurer. (1991 Code § 1-154; amd. Ord. 2013-3, 2-12-2013)