(1) Upon the expiration of the term of an initial appointment under section 111(2) or (3), all full term appointments shall be for a term of 6 years. The expiration date of the term of office of a member of the board shall be on October 1 of the year in which the term is to expire, but a member of the board shall hold office until the board member’s successor is appointed and qualified, or until resignation or removal. If a member of the board is unable to complete his or her term of office, a successor shall be appointed in the same manner as the original appointment to complete the term. A member of the board may resign by written notice to the authority. The resignation is effective upon its receipt by the secretary or chairperson of the authority or at a subsequent time as set forth in the notice of resignation.

  (2) A member of the board may not be appointed to serve more than 2 consecutive full terms. For purposes of this subsection, an initial term under section 111(2) and an appointment to fill a vacancy in a term with more than 3 years remaining count as full terms.

  (3) The appointing entity for any board member appointed under section 111(2) or (3) may only remove a board member appointed by the appointing entity for cause.

  (4) Before assuming the duties of office, a member of the board shall qualify by taking and subscribing to the constitutional oath of office.