# Geneva Conventions Act 1957, Paragraph 1


The radio signal shall consist of the urgency signal and the distinctive signal as described in the International Telecommunication Union (ITU) Radio Regulations (RR Articles 40 and N 40).

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Source: https://www.legislation.gov.uk/ukpga/Eliz2/5-6/52/schedule/FIFTH/part/VI/chapter/22/paragraph/1 (the official version)
Page: https://openlegislation.uk/geneva-conventions-act-1957/schedule-FIFTH/part-VI/chapter-22/paragraph-1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.