2Commencement [see Note 1]

#### 2 Commencement \[see Note 1\] (1) Sections 1 and 2 are taken to have commenced on the day on which this Act received the Royal Assent. (2) Subject to subsection (3), this Act (other than sections 1 and 2) commences on 1 July 2003. (3) If, before the day on which this Act would (but for this subsection) commence under subsection (2), vehicle standards have not been determined under section 7 of the Motor Vehicle Standards Act 1989 that: (a) relate to motor vehicle emission standards; and (b) adopt the technical requirements, relating to motor vehicle emission standards, of the following: (i) Regulation 83 of the United Nations Economic Commission for Europe, relating to uniform provisions concerning the approval of vehicles with regard to the emission of pollutants according to engine fuel requirements, incorporating all amendments up to and including the 04 Series of Amendments; (ii) subject to subsection (4), European Council Directive 98/69/EC, relating to measures to be taken against air pollution by emissions from motor vehicles and amending European Council Directive 70/220/EEC; (iii) a European Council Directive, made after 1 July 1999, amending European Council Directive 88/77/EEC and relating to measures to be taken against the emission of gaseous and particulate pollutants from diesel engines for use in vehicles; and (c) come into effect as specified in subsection (5); this Act does not commence until the day on which those vehicle standards are determined. (4) Subparagraph (3)(b)(ii) does not apply to the extent that the technical requirements in European Council Directive 98/69/EC relate to the standard commonly known as Euro 4, for emissions from petrol vehicles. (5) The vehicle standards must come into effect as follows: (a) in relation to the technical requirements referred to in subparagraph (3)(b)(i): (i) from 1 January 2002 for light diesel vehicles that are models first produced on or after 1 January 2002; and (ii) from 1 January 2003 for all light diesel vehicles produced on or after 1 January 2003; and (iii) from 1 January 2003 for petrol vehicles that are models first produced on or after 1 January 2003; and (iv) from 1 January 2004 for all petrol vehicles produced on or after 1 January 2004; (b) in relation to the technical requirements referred to in subparagraph (3)(b)(ii): (i) from 1 January 2005 for petrol vehicles that are models first produced on or after 1 January 2005; and (ii) from 1 January 2006 for all petrol vehicles produced on or after 1 January 2006; and (iii) from 1 January 2006 for light diesel vehicles that are models first produced on or after 1 January 2006; and (iv) from 1 January 2007 for all light diesel vehicles produced on or after 1 January 2007; (c) in relation to the technical requirements referred to in subparagraph (3)(b)(iii) to the extent that they relate to the standard commonly known as Euro 3: (i) from 1 January 2002 for medium and heavy diesel vehicles that are models first produced on or after 1 January 2002; and (ii) from 1 January 2003 for medium and heavy diesel vehicles produced on or after 1 January 2003; (d) in relation to the technical requirements referred to in subparagraph (3)(b)(iii) to the extent that they relate to the standard commonly known as Euro 4: (i) from 1 January 2006 for medium and heavy diesel vehicles that are models first produced on or after 1 January 2006; and (ii) from 1 January 2007 for medium and heavy diesel vehicles produced on or after 1 January 2007.