# Motor Vehicles (Construction and Use) Regulations (Northern Ireland) 1999, Paragraph 4


(1) The drawing vehicle and trailer must each be carrying a relevant receptacle as part of a combined transport operation, each such receptacle being on a journey—
(a) to a railhead from which the relevant receptacle is, as part of the operation, to be transported in a relevant manner by railway pursuant to a relevant contract made before the journey began;
(b) from a railhead to which the relevant receptacle has, as part of the operation, been transported in a relevant manner by railway; or
(c) to a harbour from which the relevant receptacle is, as part of the operation, to be transported by sea pursuant to a relevant contract made before the journey began; or
(d) from a harbour to which the relevant receptacle has, as part of the operation, been transported by sea.
(2) There must be carried in the cab of the drawing vehicle a document or documents—
(a) if the vehicle is on a journey to a railhead, specifying the railhead, the date the relevant contract was made and the parties thereto;
(b) if the vehicle is on a journey from a railhead, specifying the railhead and the date and time at which the receptacles were collected from that railhead;
(c) if the vehicle is on a journey to a harbour, specifying the harbour, the date the relevant contract was made and the parties thereto; and
(d) if the vehicle is on a journey from a harbour, specifying the harbour and the date and time at which the receptacles were collected from that harbour.

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Source: https://www.legislation.gov.uk/nisr/1999/454/schedule/14/paragraph/4 (the official version)
Page: https://openlegislation.uk/motor-vehicles-construction-and-use-regulations-northern-ireland-1999/schedule-14/paragraph-4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.