# Commission Regulation (EU) No 582/2011 of 25 May 2011 implementing and amending Regulation (EC) No 595/2009 of the European Parliament and of the Council with respect to emissions from heavy duty vehicles (Euro VI) and amending Annexes I and III to Directive 2007/46/EC of the European Parliament and of the Council (Text with EEA relevance), Division 4.3.2.1

Extent: E+W+S+N.I.

The engine or engines shall be fitted with a new original equipment pollution control device according to Article 16(4).
The exhaust after-treatment system shall be preconditioned with 12 WHSC cycles. After this preconditioning, the engines shall be tested in accordance with the WHDC test procedures described in Annex 4 to UNECE Regulation No 49. Three exhaust gas tests of each appropriate type shall be performed.
The test engines with the original exhaust after-treatment system or original replacement exhaust after-treatment system shall comply with the limit values according to the type-approval of the engine or vehicle.

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Source: https://www.legislation.gov.uk/eur/2011/582/annex/XI/division/4/division/4.3/division/4.3.2/division/4.3.2.1 (the official version)
Page: https://openlegislation.uk/eu-regulation-2011-582/annex-XI/division-4/division-4.3/division-4.3.2/division-4.3.2.1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.