For the administration of each planning department, the appointing authority may appoint a director of planning who shall be, in the opinion of the appointing authority, qualified for the duties of his position. Each such appointment shall be with the approval of the governing body, except where the governing body is the appointing authority. The director of planning shall be in charge of the administration of the department, and shall exercise the powers and be subject to the duties that are granted or imposed on a planning agency by this act, except that where a municipality creates both a planning commission and a planning department, the director of planning shall exercise only those powers and be subject to only those duties which are specifically conferred upon him by ordinance enacted pursuant to this article.
53 P.S. § 10208