6Making of pilot schemes
(1)If the Secretary of State approves proposals for a pilot scheme and notifies the authority concerned in accordance with section 5, the authority must implement the proposals in accordance with directions given by the Secretary of State.
(2)A proposed participant in a pilot scheme (other than the authority concerned) may withdraw at any time before the proposals relating to him are implemented.
(3)A pilot scheme, as implemented, may differ from the proposals for the scheme approved by the Secretary of State only if the Secretary of State agrees to the variation or—
(a)directions given by the Secretary of State (either under subsection (1) or generally) authorise variations that satisfy specified requirements; and
(b)the variation satisfies those requirements.
(4)As soon as is reasonably practicable after implementing proposals for a pilot scheme, the authority concerned must (in accordance with any directions given to them by the Secretary of State) publish details of the scheme.