In such circumstances and subject to such conditions as may be prescribed by regulations made by the Secretary of State—
Where a patient is transferred in pursuance of regulations under this section, the provisions of this Part of this Act (including this subsection) shall apply to him as follows, that is to say—
Without prejudice to subsections (1) and (2) above, any patient, who is for the time being liable to be detained under this Part of this Act in a hospital vested in the Secretary of State for the purposes of his functions under the National Health Service Act 2006, in a hospital vested in the Welsh Ministers for the purposes of their functions under the National Health Service (Wales) Act 2006, in any accommodation used under either of those Acts by the managers of such a hospital or in a hospital vested in a National Health Service trust NHS foundation trust or Local Health Board ... , may at any time be removed to any other such hospital or accommodation which is managed by the managers of, or is vested in the National Health Service trust NHS foundation trust or Local Health Board... for, the first-mentioned hospital; and paragraph (a) of subsection (2) above shall apply in relation to a patient so removed as it applies in relation to a patient transferred in pursuance of regulations made under this section.
Regulations made under this section may make provision for regulating the conveyance to their destination of patients authorised to be transferred or removed in pursuance of the regulations or under subsection (3) above.