# 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 (396): The plaque shall bear at least the following details:

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

name, address or trade name of the approved fitter or workshop,
characteristic coefficient of the vehicle, in the form ‘w = … imp/km’,
constant of the recording equipment, in the form ‘k = … imp/km’,
effective circumference of the wheel tyres in the form ‘l = … mm’,
tyre size,
the date on which the characteristic coefficient of the vehicle and the effective circumference of the wheel tyres were measured,
the vehicle identification number,
the presence (or not) of an external GNSS facility,
the serial number of the external GNSS facility, if applicable,
the serial number of the remote communication device, if any,
the serial number of all the seals in place,
the part of the vehicle where the adaptor, if any, is installed,
the part of the vehicle where the motion sensor is installed, if not connected to the gear-box or an adaptor is not being used,
a description of the colour of the cable between the adaptor and that part of the vehicle providing its incoming impulses,
the serial number of the embedded motion sensor of the adaptor.

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Source: https://www.legislation.gov.uk/eur/2016/799/annex/1/division/5/division/5.2/division/396 (the official version)
Page: https://openlegislation.uk/eu-regulation-2016-799/annex-1/division-5/division-5.2/division-396
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.