11.—(1) A joint overview and scrutiny committee, or a sub-committee of such a committee, may resolve to co-opt additional members to serve on the committee or sub-committee, subject to paragraphs (2) to (5).
(2) A person may not be appointed as a co-opted member of a joint overview and scrutiny committee, or of a sub-committee of such a committee, unless the appointment is approved by a majority of the members of the committee or sub-committee.
(3) A person co-opted to serve on a joint overview and scrutiny committee, or on a sub-committee of such a committee, is not entitled to vote at any meeting of the committee or sub-committee on any question which falls to be decided at that meeting.
(4) A joint overview and scrutiny committee, or a sub-committee of such a committee, may not co-opt a person who is a member of a local authority, whether that authority is one of the appointing authorities or otherwise.
(5) The membership of a person co-opted to serve on a joint overview and scrutiny committee, or on a sub-committee of such a committee, may be withdrawn by a majority vote at any time by the relevant committee or sub-committee.