Any real or personal property owned by the City that is no longer needed may, subject to the limitations elsewhere prescribed in the Charter, be sold under terms and conditions prescribed by ordinance. However, any real or personal property under the control of any board authorized by the Charter or by law to acquire, hold or control the property shall not be sold without the approval of the board or officer having the management of the department. Except as otherwise provided by law, the proceeds of the sale shall be paid into the City Treasury and placed in the fund of the department having control of the property.