# Regulation (EU) No 540/2014 of the European Parliament and of the Council of 16 April 2014 on the sound level of motor vehicles and of replacement silencing systems, and amending Directive 2007/46/EC and repealing Directive 70/157/EEC (Text with EEA relevance), Division 1.2.3

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

During each six-hour period, the engine shall be run, under the following conditions in turn:
(a)five minutes at idling speed;
(b)one-hour sequence under 1/4 load at 3/4 of rated maximum speed (S);
(c)one-hour sequence under 1/2 load at 3/4 of rated maximum speed (S);
(d)10-minute sequence under full load at 3/4 of rated maximum speed (S);
(e)15-minute sequence under 1/2 load at rated maximum speed (S);
(f)30-minute sequence under 1/4 load at rated maximum speed (S).
Total duration of the six sequences: three hours.
Each period shall comprise two sequenced sets of those conditions in consecutive order from (a) to (f).

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Source: https://www.legislation.gov.uk/eur/2014/540/annex/IV/division/1/division/1.2/division/1.2.3 (the official version)
Page: https://openlegislation.uk/eu-regulation-2014-540/annex-IV/division-1/division-1.2/division-1.2.3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.