Every member of a committee appointed under this Act who at the time of the appointment was a member of the appointing council, or one of the appointing councils, upon ceasing to be a member of that council also ceases to be a member of the committee.

For the purposes of this section a member of a council is not to be deemed to have ceased to be a member of the council by reason of retirement if re-elected a member of the council not later than the day of that retirement.

Subsection (1) is subject to subsection (2).