The Governor, by and with the advice and consent of the Senate, shall appoint 3 members of the Board for initial terms expiring June first of the years 2000, 2001, and 2002, respectively, and the chairpersons of county boards of the counties within the district shall appoint 4 members for initial terms expiring June first of the years 2000, 2001, 2002, and 2003, respectively, in a meeting specifically convened for that purpose. Except as provided in this Section, at the expiration of the term of any member appointed by the Governor, his or her successor shall be appointed by the Governor in like manner, and at the expiration of the term of any member appointed by the county boards, his or her successor shall be appointed by the county boards in like manner, as appointments for the initial terms. All successors shall hold office for the term of 5 years from the first day of June of the year in which they are appointed, except in the case of an appointment to fill a vacancy. In case of vacancy in the office of any member appointed by the Governor during the recess of the Senate, the Governor shall make a temporary appointment until the next meeting of the Senate when the Governor shall nominate some person to fill the office; and any person so nominated, who is confirmed by the Senate, shall hold his or her office during the remainder of the term and until his or her successor shall be appointed and qualified. Each appointment by the Governor shall be subject to approval by the county boards and each appointment by the county boards shall be subject to approval by the Governor, and, when so approved, the Governor and the county boards shall certify their respective appointments and approvals to the Secretary of State. Within 30 days after certification and approval of his or her appointment, and before entering upon the duties of his or her office, each member of the Board shall take and subscribe the constitutional oath of office and file it in the office of the Secretary of State.
     All members of the Board shall reside within the area of the district as defined in Section 10 of this Act.