Changes made by Rail Vehicle Accessibility (Non-Interoperable Rail System) (London Underground Metropolitan Line S8 Vehicles) (Boarding Devices) Exemption 2013
S.I. 2013/1931
The legislation Rail Vehicle Accessibility (Non-Interoperable Rail System) (London Underground Metropolitan Line S8 Vehicles) (Boarding Devices) Exemption 2013 changes, newest first. Choose one to see each change.
From legislation.gov.uk's record of changes, the official one: see it there.