# Council Regulation (EEC) No 3821/85 of 20 December 1985 on recording equipment in road transport, Division 10: Built-in and self tests

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

071 The recording equipment shall self-detect faults through self tests and built-in-tests, according to the following table:
Sub-assembly to test
Self test
Built-in-test
Software
Integrity
Data memory
Access
Access, data integrity
Card interface devices
Access
Access
Keyboard
Manual check
Printer
(up to manufacturer)
Printout
Display
Visual check
Downloading (performed only during downloading)
Proper operation
Sensor
Proper operation
Proper operation

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Source: https://www.legislation.gov.uk/eur/1985/3821/annex/2/division/III/division/10 (the official version)
Page: https://openlegislation.uk/eu-regulation-1985-3821/annex-2/division-III/division-10
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.