Paragraph 3 Changes not yet applied. Later legislation changes this provision in ways not yet written into the text below: Sch. 3 revoked by Carriage of Dangerous Goods by Road and Rail (Classification, Packaging and Labelling) 1994 Sch. 9 para. 29 Each hazard warning sign shall be in the form of a square set with its sides at an angle of 45° to the vertical. ← Paragraph 2 Paragraph 3 Paragraph 4 →