Tenure of office
7.—(1) A voting member of the joint committee shall hold office until one of the following occurs—
(a)he resigns in accordance with paragraph (4);
(b)he is removed or replaced by the constituent authority which appointed him; or
(c)he ceases to be a member of a constituent authority (and does not on the same day again become a member of that or any other constituent authority).
(2) A co-opted member of the joint committee shall hold office until one of the following occurs—
(a)he resigns in accordance with paragraph (4);
(b)he is removed or replaced by the body which appointed him; or
(c)the joint committee decides that the body which appointed him may no longer participate in proceedings of the joint committee.
(3) A person who ceases to be a voting member of the joint committee shall be eligible for reappointment.
(4) Any member of the joint committee may resign his membership by sending written notice delivered—
(a)in the case of a member appointed by a local authority, to the proper officer of the local authority which appointed him;
(b)in any other case, to the body which appointed him.
(5) Any casual vacancy shall be filled as soon as practicable by the body which appointed the member of the joint committee whose membership has ceased.