# 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), Article 1: Subject matter

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

This Regulation establishes detailed arrangements with regard to the selection of engines, test procedures and reporting of results relating to monitoring of gaseous pollutant emissions from in-service internal combustion engines installed in non-road mobile machinery using portable emission measurement systems.

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

