3Local government areas in and around Greater London
(1)As from 1st April 1965—
(a)no part of Greater London shall form part of any administrative county, county district or parish;
(b)the following administrative areas and their councils (and, in the case of a borough, the municipal corporation thereof) shall cease to exist, that is to say, the counties of London and Middlesex, the metropolitan boroughs, and any existing county borough, county district or parish the area of which falls wholly within Greater London;
(c)the urban district of Potters Bar shall become part of the county of Hertfordshire ;
(d)the urban districts of Staines and Sunbury-on-Thames shall become part of the county of Surrey.
(2)As from the passing of this Act, in the Local Government Act 1958—
(a)in sections 17(1) and 53(1), for any reference to the metropolitan area there shall be substituted a reference to Greater London;
(b)section 53(2) shall cease to have effect;
(c)in section 28, subsection (6) shall cease to have effect, but—
(i)subsection (1) shall not apply to the county of London or of Middlesex ;
(ii)no county review under that section shall extend to any part of Greater London ;
(iii)subject to any order under section 23 or 24, any such review by the Hertfordshire county council shall extend to the urban district of Potters Bar and any such review by the Surrey county council shall extend to the urban districts of Staines and Sunbury-on-Thames;
(d)in relation to a county district to which Part III applies as from the date of the passing of this Act only by virtue of this subsection, that date shall be deemed to be specified in sections 47 (3) and 52 (2) as a further day on which the periods mentioned in those provisions may begin.