# The Radioactive Material (Road Transport) (Great Britain) Regulations 1996, Paragraph 5


Except in the case of shipment under special arrangement, mixing of packages of different kinds of radioactive material, including fissile material, and mixing of different kinds of packages with different Transport Indexes (TI) is permitted without the specific approval of the Secretary of State. In the case of shipments under special arrangement, mixing shall not be permitted except as specifically authorised under the special arrangement.

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Source: https://www.legislation.gov.uk/uksi/1996/1350/schedule/33/paragraph/5 (the official version)
Page: https://openlegislation.uk/radioactive-material-road-transport-great-britain-regulations-1996/schedule-33/paragraph-5
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.