# Commission Delegated Regulation (EU) 2017/654 of 19 December 2016 supplementing Regulation (EU) 2016/1628 of the European Parliament and of the Council with regard to technical and general requirements relating to emission limits and type-approval for internal combustion engines for non-road mobile machinery, Division 4.2.1: Conditions for dual-fuel engines to operate in service mode

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

When an engine is operating in service mode it is subject to an operability restriction and is temporarily exempted from complying with the requirements related to exhaust emissions and NOx control described in this Regulation.

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Source: https://www.legislation.gov.uk/eur/2017/654/annex/VIII/division/4/division/4.2/division/4.2.1 (the official version)
Page: https://openlegislation.uk/eu-regulation-2017-654/annex-VIII/division-4/division-4.2/division-4.2.1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.