# Geneva Conventions Act 1957, Paragraph 2


In accordance with the provisions of Chapter XIV, para. 4 of the International Maritime Organisation (IMO) International Code of Signals, vessels protected by the Geneva Conventions of 1949 and the Protocol should exhibit one or more flashing blue lights visible from any direction.

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Source: https://www.legislation.gov.uk/ukpga/Eliz2/5-6/52/schedule/FIFTH/part/VI/chapter/21/paragraph/2 (the official version)
Page: https://openlegislation.uk/geneva-conventions-act-1957/schedule-FIFTH/part-VI/chapter-21/paragraph-2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.