A subsidiary class placard must also be displayed on each side and each end of a large means of containment for dangerous goods for which an ERAP is required and that have a subsidiary classification of:
Class 1: the placard will be the same as for Classes 1.1, 1.2 and 1.3.
- Class 4.3: the placard will be the same as for Class 4.3.
- Class 6.1, in Packing Group I due to inhalation toxicity: the placard will be the same as for Class 6.1.
- Class 8, and the UN number is UN2977 or UN2978 (both these products are uranium hexafluoride radioactives): the placard will be the same as for Class 8.
