(1) Without prejudice to his powers under section 5(6) of the Act of 1960, the Secretary of State may by order prescribe minimum standards with respect to the layout of, and the provision of facilities, services and equipment for protected sites within the meaning of Part I of the Act of 1968 on which there are mobile homes occupied as an only or main residence.
(2) An order made under subsection (1) above may apply generally or to a particular area, or to protected sites in a particular category and may prescribe different minimum standards in relation to protected sites in different categories.
(3) The power of the Secretary of State to make orders under this section shall be exercisable by statutory instrument.
(4) An order under subsection (1) above shall be subject to annulment in pursuance of a resolution of either House of Parliament.
(5) Any power of the Secretary of State to make an order under any provision of this section shall include a power to make an order varying or revoking any order previously made under that provision.