The Regulations State,
If dangerous goods are transported by ship on board a road vehicle that is accompanied by one or more drivers or a railway
vehicle that is accompanied by one or more members of the train crew, a driver or a member of the train crew must notify the
master of the ship or the marine carrier of the presence of the dangerous goods and make available to the master a copy of the
shipping document. However, the shipping document must be kept, for the road vehicle, in accordance with section 3.7 and, for
the railway vehicle, in the possession of a member of the train crew.