# The Motor Vehicles (Driving Licences) Regulations 1999, Paragraph 5


In the case of candidates taking a test for a licence authorising the driving of vehicles included in category C + E or D + E, the following manoeuvres and activities are prescribed—
(a) uncouple the trailer from the tractor vehicle; then
(b) park the tractor vehicle parallel to the trailer; then
(c) drive the tractor vehicle from the parked position to in front of the tractor vehicle so that the tractor vehicle and trailer can be easily coupled; and finally
(d) re-couple the tractor vehicle and trailer.

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Source: https://www.legislation.gov.uk/uksi/1999/2864/schedule/8B/paragraph/5 (the official version)
Page: https://openlegislation.uk/motor-vehicles-driving-licences-regulations-1999/schedule-8B/paragraph-5
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.