Article 3
This order applies to the rail vehicles which—
(a)
are numbered 50501 to 50523 and 79501 to 79523 and which form the diesel multiple-units numbered 170501 to 170523 of the class known as “Class 170/5 ”, and
(b)
are numbered 50630 to 50639 and 56630 to 56639 and 79630 to 79639 and which form the diesel multiple-units numbered 170630 to 170639 of the class known as “Class 170/6”,
(“the exempted vehicles”) as manufactured by ABB Daimler-Benz Transportation (UK) Limited for use by Central Trains Limited.