# Geneva Conventions Act 1957, Paragraph 4


Any wilful act or omission which seriously endangers the physical or mental health or integrity of any person who is in the power of a Party other than the one on which he depends and which either violates any of the prohibitions in paragraphs 1 and 2 or fails to comply with the requirements of paragraph 3 shall be a grave breach of this Protocol.

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