(a) Officers. Each officer shall perform all duties required of his office by State law, the Charter, these Codified Ordinances and other ordinances of the City, and such other duties not in conflict therewith as may be required by the City Manager.
(b) Department Heads. The heads of departments shall:
(1) Be immediately responsible to the City Manager for the effective administration of their departments and all activities assigned thereto.
(2) Keep informed as to the latest practices in their particular field and shall inaugurate, with the approval of the City Manager, such new practices as appear to be of benefit to the service and to the public.
(3) Submit reports of the activities of their departments when requested by the City Manager.
(4) Establish and maintain a system of records and reports in sufficient detail to furnish all information necessary for proper control of departmental activities and to form a basis for the reports required by the City Manager.
(5) Have power, when authorized by the City Manager, to appoint and remove all of their subordinates.
(6) Be responsible for the proper custody and maintenance of all City property and equipment used in their departments.
(c) Acting Department Heads. Whenever for any reason a department head is unable to perform his duties, the City Manager may name a substitute until the disability is removed or the position becomes vacant.