s 61DD Revision or revocation of Mayoral development order
(1) The Mayor of London may at any time revise or revoke a Mayoral development order with the approval of each relevant local planning authority. (2) The Mayor of London must revise a Mayoral development order if the Secretary of State directs the Mayor to do so (and the requirement for the approval of each relevant local planning authority does not apply in those circumstances). (3) The Secretary of State may at any time revoke a Mayoral development order if the Secretary of State thinks it is expedient to do so. (4) The power under subsection (3) is to be exercised by order made by the Secretary of State. (5) If the Secretary of State revokes a Mayoral development order the Secretary of State must state the reasons for doing so. (6) The Secretary of State may by development order make provision about— (a) the steps to be taken by the Secretary of State before giving a direction or making an order under this section; (b) the procedure for the revision or revocation of a Mayoral development order. (7) A development order under subsection (6) may in particular make provision about— (a) notice, publicity and inspection by the public; (b) consultation with and consideration of views of such persons and for such purposes as are specified in the order; (c) the making and consideration of representations.