The Rail Vehicle Accessibility (Non-Interoperable Rail System) (London Underground Metropolitan Line S8 Vehicles) Exemption Order 2011 No. 70

Exemption relating to boarding devices at wheelchair compatible doorways

3.  Subject to article 4, an MS exempt vehicle is authorised to be used for carriage on the Metropolitan Line even if it is used in a manner that does not conform with the boarding device requirement, but only in so far as the vehicle is stationary at a station platform named in table 1 in the Schedule.