The City Manager shall prepare and propose an ordinance providing the form of organization through which the functions of the city under the jurisdiction of the City Manager are to be administered. Any combination of authorized duties, powers, and functions which in the judgment of the Council will provide the most efficient and economical service possible, consistent with the public interest and in keeping with accepted principles of municipal administration, may be authorized by such ordinance. All departments or other administrative agencies so created shall be administered by the City Manager or by a department head or other officer appointed by and responsible to him or her. (C.O. 94 § 23, 7-20-04.)