# Commission Implementing Regulation (EU) 2016/799 of 18 March 2016 implementing Regulation (EU) No 165/2014 of the European Parliament and of the Council laying down the requirements for the construction, testing, installation, operation and repair of tachographs and their components (Text with EEA relevance), Division (9): The recording equipment shall possess four modes of operation:

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

operational mode,
control mode,
calibration mode,
company mode.

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Source: https://www.legislation.gov.uk/eur/2016/799/annex/1/division/2/division/2.3/division/9 (the official version)
Page: https://openlegislation.uk/eu-regulation-2016-799/annex-1/division-2/division-2.3/division-9
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.