# The Radioactive Material (Road Transport) (Great Britain) Regulations 1996, Paragraph 3: Marking


Each package which conforms to a design approved under regulation 19(3), 20(3) or 21(3) or falling within regulation 23(1), shall be legibly and durably marked on the outside of the packaging with:
(a) the identification mark allocated to that design by the competent authority;
(b) a serial number to uniquely identify each packaging which conforms to that design; and
(c) in the case of a Type B(U) or Type B(M) package design, with “Type B(U)” or “Type B(M)” respectively.

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Source: https://www.legislation.gov.uk/uksi/1996/1350/schedule/18/paragraph/3 (the official version)
Page: https://openlegislation.uk/radioactive-material-road-transport-great-britain-regulations-1996/schedule-18/paragraph-3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.