# Directive 2006/42/EC of the European Parliament and of the Council of 17 May 2006 on machinery, and amending Directive 95/16/EC (recast) (Text with EEA relevance), Division 3.4: Moreover, the notified body may pay the manufacturer unannounced visits. The need for these additional visits and their frequency will be determined on the basis of a visit monitoring system managed by the notified body. In particular, the following factors will be taken into account in the visits monitoring system:

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

the results of previous surveillance visits,
the need to monitor remedial measures,
where appropriate, special conditions attaching to approval of the system,
significant modifications in the organisation of the manufacturing process, measures or techniques.
On the occasion of such visits, the notified body may, if necessary, carry out tests or have them carried out in order to check the proper functioning of the quality system. It shall provide the manufacturer with a visit report and, if a test was carried out, with a test report.

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Source: https://www.legislation.gov.uk/eudr/2006/42/annex/X/division/3.4 (the official version)
Page: https://openlegislation.uk/eu-directive-2006-42/annex-X/division-3.4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.