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"Not every disturbance or catastrophe qualifies as a public emergency which threatens the life of the nation, as required by article 4, paragraph 1. During armed conflict, whether international or non-international, rules of international humanitarian law become applicable and help, in addition to the provisions in article 4 and article 5, paragraph 1, of the Covenant, to prevent the abuse of a State’s emergency powers. The Covenant requires that even during an armed conflict measures derogating from the Covenant are allowed only if and to the extent that the situation constitutes a threat to the life of the nation. If States parties consider invoking article 4 in other situations than an armed conflict, they should carefully consider the justification and why such a measure is necessary and legitimate in the circumstances."
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