13Miscellaneous provisions as to orders
(1)The Secretary of State may, on the application of any of the authorised persons under an improvement order, make an order varying or revoking such improvement order, and an order under this subsection shall be made in accordance with the provisions of Parts II and III of the First Schedule to this Act, and Part IV of that Schedule shall apply with respect to the validity of any such order.
(2)An improvement order, or an order varying or revoking an improvement order, may contain such incidental, consequential and supplemental provisions as appear to the Secretary of State to be necessary or expedient for the purposes of the order.