Article 4
1. For motor vehicles of category M3 having a maximum mass of more than 10 tonnes and motor vehicles of category N3, Articles 2 and 3 shall be applied: (a) to vehicles registered as from 1 January 1994, from 1 January 1994; (b) to vehicles registered between 1 January 1988 and 1 January 1994: (i) from 1 January 1995, in the case of vehicles used for both national and international transport; (ii) from 1 January 1996, in the case of vehicles used exclusively for national transport. 2. For motor vehicles of category M2, vehicles of category M3 having a maximum mass of more than 5 tonnes but not exceeding 10 tonnes and vehicles of category N2, Articles 2 and 3 shall apply at the latest: (a) to vehicles registered as from 1 January 2005; (b) to vehicles complying with the limit values set out in Directive 88/77/EEC(7) registered between 1 October 2001 and 1 January 2005: (i) from 1 January 2006 in the case of vehicles used for both national and international transport operations; (ii) from 1 January 2007 in the case of vehicles used solely for national transport operations. 3. For a period of no more than three years from 1 January 2005, any Member State may exempt from the provisions of Articles 2 and 3 category M2 vehicles and category N2 vehicles with a maximum mass of more than 3,5 tonnes but not exceeding 7,5 tonnes, registered in the national register and not travelling on the territory of another Member State.