Member States may: from 1 October 1988 in the case of the types of vehicle which have an engine capacity above 2 000 cm3, from 1 October 1990 in the case of the types of vehicle which have an engine capacity below 1 400 cm3, from 1 October 1991 in the case of the types of vehicle which have an engine capacity of 1 400 to 2 000 cm3 inclusive, and from 1 October 1994 in the case of types of vehicle of the same capacity fitted with compressionignition engines of the direct injection type,
Fra den 1. oktober 1988, for så vidt angår køretøjer med slagvolumen på over 2 000 cm', fra den 1. oktober 1990, for så vidt angår køretøjer med slagvolumen på under 1 400 cm3, fra den 1. oktober 1991, for så vidt angår køretøjer med slagvolumen på mellem