# Geneva Conventions Act 1957, Paragraph 3


The distinctive emblem may be made of materials which make it recognisable by technical means of detecting. The red parts should be painted on top of black primer paint in order to facilitate its identification, in particular by infrared instruments.

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Source: https://www.legislation.gov.uk/ukpga/Eliz2/5-6/52/schedule/FIFTH/part/VI/chapter/18/paragraph/3 (the official version)
Page: https://openlegislation.uk/geneva-conventions-act-1957/schedule-FIFTH/part-VI/chapter-18/paragraph-3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.