# Commission Delegated Regulation (EU) 2017/655 of 19 December 2016 supplementing Regulation (EU) 2016/1628 of the European Parliament and of the Council with regard to monitoring of gaseous pollutant emissions from in-service internal combustion engines installed in non-road mobile machinery (Text with EEA relevance), Division 1.3

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

Engines subject to in-service monitoring test shall:
(a) be installed in one of the most representative categories of non-road mobile machinery for the selected engine type or, where applicable, engine family;
(b) be placed on the Union market;
(c) have a maintenance record to show that the engine has been properly maintained and serviced in accordance with the manufacturer's recommendations;
(d) exhibit no indications of misuse (e.g. overloading or misfuelling), or other factors (such as tampering) that could affect the gaseous pollutant emissions performance;
(e) be in conformity with the EU type-approval documents with regard to the components of the emission control system(s) installed in the engine and in the non-road mobile machinery.

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Source: https://www.legislation.gov.uk/eur/2017/655/annex/division/1/division/1.3 (the official version)
Page: https://openlegislation.uk/eu-regulation-2017-655/annex/division-1/division-1.3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.