Article 3
This Order applies to the rail vehicles which are numbered 50401 to 50415, 56401 to 56415 and 79401 to 79415 and which form the diesel multiple-units numbered 170401 to 170415 of the class known as “class 170/4” (`the exempted vehicles') as manufactured by ABB Daimler Benz Transportation (UK) Limited for use by ScotRail Railways Limited.