With effect from 2 July 2007, if a manufacturer so requests, the F2Secretary of State may not, on grounds relating to emissions or fuel consumption of vehicles, refuse to grant F3GB type-approval for a new type of vehicle, or prohibit the registration, sale or entry into service of a new vehicle, where the vehicle concerned complies with this Regulation and its implementing measures, and in particular with the Euro 5 limit values set out in Table 1 of Annex I or with the Euro 6 limit values set out in Table 2 of Annex I.

With effect from 1 September 2009, and from 1 September 2010 in the case of category N₁ class II and III and category N₂ vehicles, the F4approval authority shall refuse, on grounds relating to emissions or fuel consumption, to grant F3GB type-approval for new types of vehicle which do not comply with this Regulation and its implementing measures, and in particular with the Annexes, with the exception of the Euro 6 limit values set out in Table 2 of Annex I. For the test on tailpipe emissions, the limit values applied to vehicles designed to fulfil specific social needs shall be the same as for category N₁ class III vehicles.

With effect from 1 January 2011, and from 1 January 2012 in the case of category N₁ class II and III and category N₂ vehicles and vehicles designed to fulfil specific social needs, F5the Secretary of State shall, in the case of new vehicles which do not comply with this Regulation and its implementing measures, and in particular with the Annexes with the exception of the Euro 6 limit values set out in Table 2 of Annex I, consider certificates of conformity to be no longer valid for the purposes of F6Article 48 of Regulation (EU) 2018/858 and shall, on grounds relating to emissions or fuel consumption, prohibit the registration, sale or entry into service of such vehicles. For the test on tailpipe emissions, the limit values applied to vehicles designed to fulfil specific social needs shall be the same as for category N₁ class III vehicles.

With effect from 1 September 2014, and from 1 September 2015 in the case of category N₁ class II and III and category N₂ vehicles, the F7approval authority shall refuse, on grounds relating to emissions or fuel consumption, to grant F3GB type-approval for new types of vehicle which do not comply with this Regulation and its implementing measures, and in particular with the Euro 6 limit values set out in Table 2 of Annex I.

With effect from 1 September 2015, and from 1 September 2016 in the case of category N₁ class II and III and category N₂ vehicles, F8the Secretary of State shall, in the case of new vehicles which do not comply with this Regulation and its implementing measures, and in particular with the Euro 6 limit values set out in Table 2 of Annex I, consider certificates of conformity to be no longer valid for the purposes of F9Article 48 of Regulation (EU) 2018/858 and shall, on grounds relating to emissions or fuel consumption, prohibit the registration, sale or entry into service of such vehicles.

The 5,0 mg/km emission limit for mass of particulate matter referred to in Tables 1 and 2 of Annex I shall be effective from the applicable dates set out in paragraphs 1, 2 and 3.

The 4,5 mg/km emission limit for mass of particulate matter and the particle number limit referred to in Tables 1 and 2 of Annex I shall be effective from 1 September 2011 for the type-approval on new types of vehicles and from 1 January 2013 for all new vehicles sold, registered or put into service in F11Great Britain.

Until three years after the applicable dates set out in paragraphs 4 and 5 for new type approvals and the registration, sale or entry into service of new vehicles and upon the choice of the manufacturer, a particle number emission limit of 6 × 10 ¹² #/km shall apply to vehicles with a direct injection positive ignition engine.

For new replacement pollution control devices intended to be fitted on vehicles approved under this Regulation, F13the approval authority shall prohibit their sale or installation on a vehicle if they are not of a type in respect of which a type approval has been granted in compliance with this Regulation and its implementing measures.

F13The approval authority may continue to grant extensions to F14GB type approvals for replacement pollution control devices intended for standards preceding this Regulation under the terms which originally applied. F13The approval authority shall prohibit the sale or installation on a vehicle of such replacement pollution control devices unless they are of a type in respect of which a relevant type approval has been granted.

Replacement pollution control devices intended to be fitted on vehicles type approved prior to the adoption of component type approval requirements are exempt from the requirements of paragraphs 1 and 2.