# Geneva Conventions Act 1957, Paragraph 4


With the consent of the competent authority, medical units and transports shall be marked by the distinctive emblem. The ships and craft referred to in Article 22 of this Protocol shall be marked in accordance with the provisions of the Second Convention.

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Source: https://www.legislation.gov.uk/ukpga/Eliz2/5-6/52/schedule/FIFTH/part/II/chapter/12/paragraph/4 (the official version)
Page: https://openlegislation.uk/geneva-conventions-act-1957/schedule-FIFTH/part-II/chapter-12/paragraph-4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.