Paragraph 4 Containers and wagons carrying dangerous goods in bulk
Subject to paragraph 7, containers and wagons used for the carriage of dangerous goods in bulk shall display—
(a)
an orange-coloured panel, conforming to figure 1, on each side of the container or wagon concerned, bearing the emergency action code and the UN number; and
(b)
the danger sign and the subsidiary hazard sign, if any, adjacent to each orange-coloured panel.