# Commission Implementing Regulation (EU) 2017/656 of 19 December 2016 laying down the administrative requirements relating to emission limits and type-approval of internal combustion engines for non-road mobile machinery in accordance with Regulation (EU) 2016/1628 of the European Parliament and of the Council (Text with EEA relevance), Division 4.2


In the case of engine types within an engine family, the whole code is named Family-Type or ‘FT’, and is composed of two sections: the first section is named engine family designation and identifies the engine family; the second section is the engine type designation of each particular engine type within the engine family;
The engine family designation shall clearly and unequivocally identify those engines presenting a unique combination of technical features for those items set out in Part B of Appendix 3 applicable to the particular engine family.
The FT shall clearly and unequivocally identify those engines presenting a unique combination of technical features for those items set out in Part C of Appendix 3 applicable to the engine type within the engine family.

---
Source: https://www.legislation.gov.uk/eur/2017/656/attachment/2/division/division/PART B — INFORMATION DOCUMENT/division/4./division/4.2. (the official version)
Page: https://openlegislation.uk/eu-regulation-2017-656/attachment-2/division/division-PART B — INFORMATION DOCUMENT/division-4./division-4.2.
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.