# Directive 2006/126/EC of the European Parliament and of the Council of 20 December 2006 on driving licences (Recast) (Text with EEA relevance), Division 13.1: Driving licences shall not be issued to, or renewed for, applicants or drivers who suffer from:

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

severe mental disturbance, whether congenital or due to disease, trauma or neurosurgical operations,
severe mental retardation,
severe behavioural problems due to ageing; or personality defects leading to seriously impaired judgment, behaviour or adaptability,
unless their application is supported by authorised medical opinion and, if necessary, subject to regular medical check-ups.

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Source: https://www.legislation.gov.uk/eudr/2006/126/annex/III/division/10/division/1/division/13.1 (the official version)
Page: https://openlegislation.uk/eu-directive-2006-126/annex-III/division-10/division-1/division-13.1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.