# The Classification and Labelling of Explosives Regulations 1983, Paragraph 2


(1) The above label shall have a pictograph of a bomb blast filling most of its upper half.
(2) In the lower half of the label, the word “EXPLOSIVE” shall be written in capital letters which shall each be smaller than the Compatibility Group letter in the hazard classification code required by sub-paragraph (3) below.
(3) Below the word “EXPLOSIVE”, the hazard classification code appropriate for the contents when in the packaging on which the label is put shall be written.
(4) Below the hazard classification code, the Class number “1” shall be written in the bottom corner of the label.
(5) The label shall have a line at least 1 mm wide approximately 5mm inside the edge and running parallel to it.

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Source: https://www.legislation.gov.uk/uksi/1983/1140/schedule/3/paragraph/2 (the official version)
Page: https://openlegislation.uk/classification-and-labelling-of-explosives-regulations-1983/schedule-3/paragraph-2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.