Protecting civilians in good faith: the updated Commentary on the Fourth Geneva Convention
Update: 2025-10-21
Description
Following five years of research and consultations, the ICRC has published a new, updated Commentary on the Fourth Geneva Convention (GC IV) of 1949. GC IV is the cornerstone of protection for civilians in international armed conflict and occupation – protections that remain urgently relevant amid patterns of urban warfare, strikes on essential services, and persistent harm to people who are not, or are no longer, taking part in hostilities. The 2025 Commentary consolidates seven decades of practice, jurisprudence, and operational experience into a practical guide to applying GC IV’s safeguards effectively today.
In this post, Jean-Marie Henckaerts, the head of the ICRC project to update the Commentaries on the Geneva Conventions of 1949 and their Additional Protocols of 1977, situates the updated Commentary in contemporary conflict realities and explains why GC IV’s protective purpose must steer its interpretation. He argues that good faith interpretation – required by the Vienna Convention on the Law of Treaties – means reading GC IV in a way that realizes its humanitarian object and purpose, not hollowing it out through technical argumentation that defeats protection in practice.
In this post, Jean-Marie Henckaerts, the head of the ICRC project to update the Commentaries on the Geneva Conventions of 1949 and their Additional Protocols of 1977, situates the updated Commentary in contemporary conflict realities and explains why GC IV’s protective purpose must steer its interpretation. He argues that good faith interpretation – required by the Vienna Convention on the Law of Treaties – means reading GC IV in a way that realizes its humanitarian object and purpose, not hollowing it out through technical argumentation that defeats protection in practice.
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