Article 3
This Order applies to the rail vehicles which are numbered 50401 to 50424, 56401 to 56424 and 79401 to 79424 and which form the diesel multiple-units numbered 170401 to 170424 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.