The Administrator shall serve as the Director of Finance and the head of the Department of Public Service and Public Safety until separate positions are created as provided by Section 6.01 and Section 6.06 and Section 6.07 and he may act as head of any other department or division of the government, except he shall not act as Law Director, nor shall he act as the Chief of the Division of Police, or Chief of the Division of Fire. The Administrator may designate one (1) person to serve as head of one (1) or more departments or divisions; except that the Law Director shall not serve or act as head of any other department or division.