# The Motor Vehicles (Driving Licences) Regulations 1996, Paragraph 2


Indicate intended actions at appropriate times by giving appropriate signals in a clear and unmistakable manner.
In the case of a test taken on a vehicle with a left-hand drive or by a disabled person for whom it is impracticable or undesirable to give signals by arm, there shall be no requirement to give signals which cannot be given by mechanical means.

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Source: https://www.legislation.gov.uk/uksi/1996/2824/schedule/8/part/6/paragraph/2 (the official version)
Page: https://openlegislation.uk/motor-vehicles-driving-licences-regulations-1996/schedule-8/part-6/paragraph-2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.