Transportation of Dangerous Goods Regulations

4.15.3 (1) A placard, or a placard and UN number, must be displayed on each side and on each end of a large means of containment, except that

• (a) in the case of a large means of containment that is permanently connected to a frame, such as a truck frame or a supporting frame for the means of containment, the placard, or the placard and UN number, may be displayed on the frame if the resulting position of the placard, or the placard and UN number, is equivalent on each side and on each end of the means of containment;

• (b) in the case of a large means of containment that is a trailer unit, the placard, or the placard and UN number, may be displayed on the front of the vehicle that is attached to the trailer unit rather than on the leading end of the trailer unit; and

• (c) in the case of a large means of containment with a capacity less than or equal to 3 000 L that is an IBC or large packaging, the following may be displayed on two opposite sides of the means of containment:

  • (i) the placard and UN number for each of the dangerous goods in the means of containment, or

  • (ii) the label for the primary class and the label for each subsidiary class, if any, as well as the UN number and shipping name for each of the dangerous goods in the means of containment.

(2) In the case of an IBC or large packaging that has a label, UN number and shipping name displayed on it in accordance with subparagraph (1)(c)(ii), the following conditions apply:

• (a) the shipping name and UN number must be displayed next to the label or, in the case of the UN number, within a white rectangle located on the label without the prefix “UN”, if the white rectangle does not obscure any symbol or any text on the label;

• (b) if the UN number is displayed next to the label, the UN number must be written in black characters at least 25 mm high; and

• (c) if the dangerous goods are subject to special provision 16, the technical name must be determined in accordance with that provision and, subject to subsections (2) to (4) of that provision, displayed in parentheses after the shipping name.