Transportation of Dangerous Goods Regulations

4.15.4 (1) If a large means of containment that has labels, placards, labels and UN numbers, or placards and UN numbers displayed on it is inside another large means of containment or inside a means of transport that is a road vehicle or railway vehicle and those labels, placards, labels and UN numbers, or placards and UN numbers are not visible, the placards or placards and UN numbers required by this Part must be displayed on the outer large means of containment or on the means of transport.

(2) If a large means of containment that has labels, placards, labels and UN numbers, or placards and UN numbers displayed on it is loaded onto another large means of containment or means of transport that is a road vehicle or railway vehicle and those labels, placards, labels and UN numbers, or placards and UN numbers, are visible, the placards or placards and UN numbers are not required to be displayed on the other large means of containment or on the means of transport.