London Government Act 1963

6 (1) No election of councillors of the county of London or of Middlesex or of any existing county borough, metropolitan borough, non-county borough or urban district situated wholly within Greater London shall be held after the date of the passing of this Act, except an election to fill a casual vacancy in an office where before that date the office has been declared to be vacant or notice of the vacancy has been given under section 67(1) of the Local Government Act 1933 or section 42(1) of the London Government Act 1939 ; and any such councillor holding office immediately before that date or elected on or after that date to fill a casual vacancy occurring before that date shall (unless he resigns his office or it otherwise becomes vacant) continue to hold office until 1st April 1965.

(2) As respects any such county or borough—

(a) no ordinary election of aldermen shall be held after the passing of this Act;

(b) any alderman whose term of office would apart from this Act have expired between the passing of this Act and 1st April 1965 shall (unless he resigns his office or it otherwise becomes vacant) continue to hold office until that date; and

(c) any casual vacancy occurring before 1st April 1965 in the office of alderman need not be filled unless the county or borough council so resolve.

(3) It shall not be necessary to fill any casual vacancy occurring during March 1965 in the office of—

(a) chairman of the London or Middlesex county council;

(b) mayor of any borough mentioned in sub-paragraph (1) of this paragraph ;

(c) chairman of the council of any urban district so mentioned.