← Concept Library · International Relations
International Relations GS 2 In the news 3 times

International Humanitarian Law (IHL) and the Principle of Distinction

International Humanitarian Law (IHL) — also called the Law of Armed Conflict or jus in bello — is the body of international law that regulates the conduct of warfare. Its foundational sources are the four Geneva Conventions (1949) and their Additional Protocols (1977). The cardinal principle of IHL is Distinction: parties to a conflict must at all times distinguish between combatants and civilians, and between military objectives and civilian objects. Under IHL, military objectives are defined as objects that "by their nature, location, purpose or use make an effective contribution to military action" and whose destruction offers a "definite military advantage." A missile production facility qualifies as a military objective under this definition — making the Votkinsk strike legally distinct from attacks on purely civilian targets.

Key details
  • Geneva Conventions (1949): Four conventions protecting wounded soldiers, sailors, prisoners of war, and civilians; ratified by all 196 UN member states
  • Additional Protocol I (1977): Codified the principle of distinction, proportionality, and precaution in attack; governs international armed conflicts
  • Additional Protocol II (1977): Governs non-international armed conflicts (civil wars)
  • Dual-use facilities: Sites with both military and civilian functions present complex IHL challenges — military factories qualify as legitimate targets; civilian workers may not be directly targeted
  • War crimes: Deliberate attacks on civilian objects or persons not taking direct part in hostilities constitute war crimes under the Rome Statute (Article 8)
In the news

Tracked since February 21, 2026 · last seen April 10, 2026 · updates as the daily brief publishes

Related concepts
See it in today’s brief. Daily current affairs with every static concept explained in place.
Read the daily brief