Transportation of Dangerous Goods Regulations

4.10.1 (1) When a safety mark is required by this Part to be displayed on a small means of containment and the small means of containment is inside an overpack, the person who prepares the overpack must display

• (a) the word “Overpack” or “Suremballage”, in letters that are at least 12 mm high on a contrasting background, on at least one side of the overpack;

• (b) the information required by subsection (3) on one side of the overpack, if its capacity is less than 1.8 m³ (64 cubic feet); and

• (c) the information required by subsection (3) on two opposite sides of the overpack, if its capacity is greater than or equal to 1.8 m³ (64 cubic feet).

(2) Subsection (1) does not apply if a safety mark for each class of dangerous goods inside the overpack is visible through the overpack.

(3) The following information must be displayed on the overpack:

• (a) the primary class label and each subsidiary class label for each of the dangerous goods contained in the overpack, except that only one label is required for dangerous goods that are included in the same class; and

• (b) the shipping name and UN number of the dangerous goods.

(4) When dangerous goods included in Class 7, Radioactive Materials, are transported in an overpack and a label is required to be displayed by this Part, the overpack must be prepared in accordance with section 16(4) of the Packaging and Transport of Nuclear Substances Regulations.