Her Majesty may by Order in Council substitute for any one or more of the areas specified in section 2(1) above any other area or areas comprising the whole or part of Greater London, or alter the boundaries of any area so specified; but the City of London shall not by virtue of any such Order be included in a London commission area.

An Order in Council made under this section may contain such incidental, consequential, transitional or supplementary provisions as may be necessary or expedient for the purposes of the Order (including provisions amending this Act or any other enactment).

Any statutory instrument made by virtue of this section shall be subject to annulment in pursuance of a resolution of either House of Parliament.