# 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 4.2.1: Member States shall provide that, in order to remain authorised, driving examiners, irrespective of the number of categories for which they are accredited, undertake:

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

a minimum regular periodic training of four days in total per period of two years in order to:
maintain and refresh the necessary knowledge and examining skills,
to develop new competences that have become essential for the exercise of their profession,
ensure that an examiner continues to conduct tests to a fair and uniform standard,
a minimum periodic training of at least five days in total per period of five years,
in order to develop and maintain the necessary practical driving skills.

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Source: https://www.legislation.gov.uk/eudr/2006/126/annex/IV/division/4/division/4.2/division/4.2.1 (the official version)
Page: https://openlegislation.uk/eu-directive-2006-126/annex-IV/division-4/division-4.2/division-4.2.1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.