One Planner or firm shall be appointed by the Planning Board/Board of Adjustment/Mayor and Council to serve as: the official Borough Planner and other planners or firms may be appointed by the Planning Board/Board of Adjustment/Mayor and Council, for a term of one (1) year, to perform services for the Borough of Elmwood Park including but not limited to the performance of general municipal planning needs of the Borough of Elwood Park. The Planning Board/Board of Adjustment/Mayor and Council reserve the right to appoint an individual person or firm to as many of the three Boards as it deems appropriate or to appoint an individual person or firm to each of the three Boards. The Planning Board/Board of Adjustment/Mayor and Council may select, at its sole discretion, individuals or firms for this position, so long as those individuals or firms meet or exceed the minimum requirements set forth in Section III hereof. Once an appointment is made, no substitution of personnel may be made without the express written consent of the Planning Board/Board of Adjustment/Mayor and Council, which consent may be withheld in their sole discretion