Article 4
Subject to articles 5, 6, 7 and 8 below, the exempted vehicles are hereby authorised to be used for carriage even though they do not conform with those provisions of the Rail Vehicle Accessibility Regulations 1998 referred to in paragraph (2) below.
The provisions with which the exempted vehicles are not required to conform are—
regulation 4(3)(b);
regulation 5, but only in so far as it relates to control devices which are not operated by the application of pressure and which do not control doors which are in the side of an exempted vehicle, and subject to the condition specified in article 5 below;
regulation 5(1)(a), but only in so far as it relates to door control devices in the side of an exempted vehicle; and
regulation 13, but only in so far as it relates to the public address system for visual announcements inside the passenger saloon of an exempted vehicle, and subject to the conditions specified in article 6 below.