The Transport for London (Knightsbridge Station) Order 2007
Section 163 of the Greater London Authority Act 1999 prohibits Transport for London from disposing of any freehold interest in operational land without the consent of the Secretary of State. Under section 164 of that Act, Transport for London is required to ensure that none of its subsidiaries do anything which Transport for London has no power to do, (including anything which Transport for London has no power to do because the consent of the Secretary of State has not been obtained).