(1)The adjustment which, under the last but one preceding section, is to be made for changes in the circumstances of the British Transport Commission shall be such adjustment as may be prescribed by order of the Minister and the Secretary of State, acting jointly.
(2)Any order made under this section may be revoked or varied by a subsequent order made thereunder.
(3)Before any order is made under this section, a draft thereof shall be laid before each House of Parliament, and the order shall not be made until the draft has been approved by resolution of each House.