Sch 5 para 2
(1) The Secretary of State may by regulations make provision about the exercise of the power under paragraph 1(1). (2) Regulations under sub-paragraph (1) may, in particular— (a) make provision about timing in relation to exercise of the power; (b) make provision for exercise of the power in stages; (c) specify principles for determining the order in which particular cases are to be dealt with under the power; (d) make provision about procedure in relation to exercise of the power; (e) make provision for exercise of the power in accordance with a scheme prepared by the Secretary of State . . . .