Changes to Rail Vehicle Accessibility (Non-Interoperable Rail System) (London Underground Metropolitan Line S8 Vehicles) (Boarding Devices) Exemption 2013
S.I. 2013/1931
No changes to Rail Vehicle Accessibility (Non-Interoperable Rail System) (London Underground Metropolitan Line S8 Vehicles) (Boarding Devices) Exemption 2013 are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.