7(1)Where, for any reason whatsoever, the office of a member of a flood defence committee becomes vacant before the end of his term of office, the vacancy—
(a)shall, if the unexpired portion of the term of office of the vacating member is six months or more, be filled by the appointment of a new member; and
(b)may be so filled in any other case.
(2)A person appointed by virtue of sub-paragraph (1) above to fill a casual vacancy shall hold office for so long only as the former member would have held office.