Article 3 Exemptions
Subject to articles 4 and 5, an exempt vehicle is authorised to be used for carriage on the Victoria Line even if it does not conform to, or it is used in a manner that does not conform to, the requirements of—
(a)
paragraph 1(1) (boarding devices at wheelchair compatible doorways) at Pimlico station;
(b)
paragraph 3(5)(b) (audible warning before door closes), but only in respect of the period of time for which the distinct sound should be emitted before the door starts to close; or
(c)
paragraph 11(5) (passenger information when vehicle is stationary), but only in so far as it applies to the systems inside the passenger saloon.