# 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 (128): The recording equipment shall record and store in its data memory the following data relevant to the 255 most recent company locks:

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

lock-in date and time,
lock-out date and time,
company card number, card issuing Member State and card generation,
company name and address.
Data previously locked by a lock removed from memory due to the limit above, shall be treated as not locked.

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Source: https://www.legislation.gov.uk/eur/2016/799/annex/1/division/3/division/3.12/division/3.12.13/division/128 (the official version)
Page: https://openlegislation.uk/eu-regulation-2016-799/annex-1/division-3/division-3.12/division-3.12.13/division-128
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.