All officers and employees, including, but not limited to, Elective Officers of the said Former City shall, as of the effective date of this Charter, continue to perform the duties of their respective offices and positions. Except as otherwise expressly provided in this Charter, the adoption hereof, as to such officers and employees, shall not affect or impair any right, privilege or retirement benefit of such officers and employees lawfully held by them as of the effective date of this Charter. The tenure of, and the performance of duties by, all such officers and employees shall be subject to, the provisions hereof.