(1) Subject to the provisions of this Order every vacancy, other than a casual vacancy, arising in respect of the membership of the Authority shall be filled by the appointment on or before the date the vacancy will occur, of a person to fill that vacancy.
(2) The appointment of a person in accordance with paragraph (1) shall be made by the council who appointed the person in respect of whom the vacancy occurs.
(3) A member of the Authority may resign his membership at any time by giving written intimation to the secretary of the Authority.
(4) A member resigning in accordance with paragraph (3) shall cease to be a member of the Authority on the date on which his resignation is intimated to the secretary.
(5) A member of the Authority who becomes disqualified for membership shall vacate office immediately upon becoming so disqualified.
(6) A member of the Authority shall be required to vacate office as such a member if throughout a period of six consecutive months that member has failed to attend any meeting of the Authority unless that failure was due to illness or for some other reason approved before or during that period by the Authority, but attendance at a meeting of any committee or sub-committee of the Authority shall be regarded as attendance at a meeting of the Authority for the purposes of this paragraph.
(7) When a casual vacancy occurs for whatever reason the secretary of the Authority shall notify that vacancy forthwith to the council responsible for appointing a member to fill the vacancy and that council shall as soon as reasonably practicable take such steps as are necessary to make that appointment.
(8) A person appointed under paragraph (7) to fill a casual vacancy shall hold office only for so long as the vacating member would have held office.
(9) Where the unexpired portion of any period of membership resulting in a casual vacancy is less than four months the council mentioned in paragraph (7) need not, but may if they so wish, make an appointment under that paragraph.