(a) Plan of administrative organization: Within one year after the adoption of this charter, the Town Manager shall submit to the Board of Selectmen a plan of organization for the administration, dividing the administrative service into departments and divisions and defining the functions of each. Said plan shall be reviewed and acted on within 30 days from submission.

(b) Department heads: Each Town department shall have a designated department head appointed by the Manager who shall supervise and control the department and employees therein. The Manager may, at any time, assume the duties of a department head.

(c) Departmental rules and regulations: Whenever judged necessary by the Town Manager, department heads shall draft rules and regulations to be approved by the Town Manager which shall govern and regulate the affairs of a department consistent with this charter and general law.

(d) Creation, reorganization, consolidation, or abolition of administrative departments: Departments within the administrative service can only be created, reorganized, consolidated, or abolished by formal action of the Board of Selectmen.