— CH. 1 · ORIGINS AND ENTRY INTO FORCE —

Convention on Certain Conventional Weapons

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The United Nations Convention on Certain Conventional Weapons concluded its negotiations in Geneva on the 10th of October 1980. It entered into force three years later on the 2nd of December 1983. This treaty sought to prohibit or restrict weapons deemed excessively injurious or indiscriminate. By the end of July 2024, 128 state parties had joined the agreement. Some nations adopted only two of the five protocols as a minimum requirement for participation. The full title describes the scope: restrictions on weapons causing excessive injury or indiscriminate effects.
Protocol I prohibits weapons using fragments undetectable by X-rays within the human body. Such fragments cause unnecessary suffering because they are difficult to remove surgically. Protocol II regulates landmines and booby traps without issuing a total ban. It forbids non-detectable anti-personnel mines and their transfer between states. Protocol III bans incendiary weapons designed primarily to set fire to objects or cause burn injuries through chemical reactions. Air-delivered incendiaries cannot target military objectives inside civilian concentrations under this protocol. Forests may not be targeted unless used to conceal combatants or other military goals. Protocol IV outlaws laser weapons specifically designed to cause permanent blindness. Parties must take feasible precautions to avoid incidental blinding from other laser systems. Protocol V requires clearance of unexploded ordnance after active hostilities cease. States that used explosive weapons must assist in clearing the resulting debris.
A significant amendment to Protocol II occurred on the 3rd of May 1996. This update extended restrictions on landmine use to cover internal armed conflicts as well as international ones. The revised text established reliability standards for remotely delivered mines. It prohibited the use of non-detectable fragments in anti-personnel landmines. The amendment entered into force on the 3rd of December 1998. Failure to agree on a total ban led to the separate Ottawa Treaty. The updated protocol also broadened obligations regarding peacekeeping missions of the United Nations. States were required to enforce compliance within their jurisdiction and impose penal sanctions for violations.
The convention lacks any formal verification mechanism to ensure parties honor their commitments. No process exists for resolving disputes over compliance concerns between member states. A state party can refuse its commitment but remains legally bound until one year after notifying the UN Secretary-General. The treaty depositary receives this notification of intent to withdraw from obligations. As of 2017, negotiations failed to achieve consensus on adding a compliance mechanism. China and Russia opposed restrictions requiring anti-vehicle mines to self-deactivate. These diplomatic hurdles prevented stronger enforcement measures from being adopted during that period.
Talks opened in the 2010s regarding restrictions on lethal autonomous weapons systems. Most major powers opposed an international ban on such technology as of 2021. The CCW has struggled to reach agreement on regulating these emerging weapon types. Diplomatic efforts continue despite significant opposition from key military nations. The lack of consensus reflects deep divisions over how autonomy should be regulated in warfare. Future negotiations will likely face similar challenges given current geopolitical stances.

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Treaties extended to Greenland Treaties extended to the Faroe Islands Treaties of Algeria Treaties of Argentina Treaties of Australia Treaties of Austria Treaties of Bangladesh Treaties of Belgium Treaties of Bolivia Treaties of Bosnia and Herzegovina Treaties of Burkina Faso Treaties of Canada Treaties of Cape Verde Treaties of Chile Treaties of Colombia Treaties of Costa Rica Treaties of Croatia Treaties of Cuba Treaties of Cyprus Treaties of Czechoslovakia Treaties of Denmark Treaties of East Germany Treaties of Ecuador Treaties of El Salvador Treaties of Estonia Treaties of Finland Treaties of France Treaties of Gabon Treaties of Guatemala Treaties of Guinea-Bissau Treaties of Honduras Treaties of Iceland Treaties of India Treaties of Ireland Treaties of Israel Treaties of Italy Treaties of Ivory Coast Treaties of Jamaica Treaties of Japan Treaties of Jordan Treaties of Kazakhstan Treaties of Kuwait Treaties of Latvia Treaties of Liberia Treaties of Lithuania Treaties of Luxembourg Treaties of Madagascar Treaties of Mali Treaties of Malta Treaties of Mauritius Treaties of Mexico Treaties of Moldova Treaties of Monaco Treaties of Montenegro Treaties of Morocco Treaties of New Zealand Treaties of Nicaragua Treaties of Niger Treaties of North Macedonia Treaties of Norway Treaties of Pakistan Treaties of Panama Treaties of Paraguay Treaties of Peru Treaties of Portugal Treaties of Saint Vincent and the Grenadines Treaties of Senegal Treaties of Seychelles Treaties of Sierra Leone Treaties of Slovakia Treaties of Slovenia Treaties of South Africa Treaties of South Korea Treaties of Spain Treaties of Sri Lanka Treaties of Sweden Treaties of Switzerland Treaties of the Czech Republic Treaties of the Dominican Republic Treaties of the Netherlands Treaties of the People's Republic of China Treaties of the Philippines Treaties of the Soviet Union Treaties of the United Kingdom Treaties of the United States Treaties of Togo Treaties of Tunisia Treaties of Turkey Treaties of Turkmenistan Treaties of Uganda Treaties of Uruguay Treaties of Uzbekistan Treaties of Venezuela Treaties of Zambia

Common questions

When did the United Nations Convention on Certain Conventional Weapons enter into force?

The United Nations Convention on Certain Conventional Weapons entered into force on the 2nd of December 1983. The negotiations concluded in Geneva on the 10th of October 1980, and the treaty became effective three years later.

How many state parties joined the United Nations Convention on Certain Conventional Weapons by July 2024?

By the end of July 2024, 128 state parties had joined the agreement. Some nations adopted only two of the five protocols as a minimum requirement for participation.

What does Protocol IV of the United Nations Convention on Certain Conventional Weapons prohibit?

Protocol IV outlaws laser weapons specifically designed to cause permanent blindness. Parties must take feasible precautions to avoid incidental blinding from other laser systems.

When did the amendment to Protocol II of the United Nations Convention on Certain Conventional Weapons enter into force?

The significant amendment to Protocol II entered into force on the 3rd of December 1998. This update extended restrictions on landmine use to cover internal armed conflicts as well as international ones.

Why has the United Nations Convention on Certain Conventional Weapons failed to adopt a compliance mechanism?

Negotiations failed to achieve consensus on adding a compliance mechanism because China and Russia opposed restrictions requiring anti-vehicle mines to self-deactivate. These diplomatic hurdles prevented stronger enforcement measures from being adopted during that period.

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19 references cited across the entry

1inlineUnited Nations Office for Disarmament Affairs: Convention on Prohibitions or Restrictions on the Use of Certain Conventional Weapons which may be deemed to be Excessively Injurious or to have Indiscri
2web1980 Convention on Certain Conventional Weapons – FactsheetInternational Committee of the Red Cross — March 2014
3web1980 Convention on Certain Conventional Weapons and its Protocols -Ratification kitInternational Committee of the Red Cross — 31 March 2004
4hansardConvention on Certain Conventional Weapons5 January 2004
5journalThe 1980 Convention on Certain Conventional Weapons: A useful framework despite earlier disappointmentsMathews, Robert J. — December 2001
6webProtocol I to the Convention on Prohibitions or Restrictions on the Use of Certain Conventional Weapons which may be deemed to be Excessively Injurious or to have Indiscriminate EffectsUnited Nations Office for Disarmament Affairs
7webRule 79. Weapons Primarily Injuring by Non-Detectable FragmentsInternational Committee of the Red Cross
8webProtocol on Prohibitions or Restrictions on the Use of Mines, Booby-Traps and Other Devices as amended on 3 May 1996United Nations Office for Disarmament Affairs.
9webRule 84. The Protection of Civilians and Civilian Objects from the Effects of Incendiary WeaponsInternational Committee of the Red Cross
10webProtocol III to the Convention on Prohibitions or Restrictions on the Use of Certain Conventional Weapons which may be deemed to be Excessively Injurious or to have Indiscriminate EffectsUnited Nations Office for Disarmament Affairs
11webAdditional Protocol to the Convention on Prohibitions or Restrictions on the Use of Certain Conventional Weapons which may be deemed to be Excessively Injurious or to have Indiscriminate Effects (Protocol IV, entitled Protocol on Blinding Laser Weapons)United Nations Office for Disarmament Affairs
12encyclopedia1995 Protocol on Blinding Laser WeaponsGeneva Academy — 23 June 2014
13webProtocol on Explosive Remnants of War to the Convention on Prohibitions or Restrictions on the Use of Certain Conventional Weapons which may be deemed to be Excessively Injurious or to have Indiscriminate Effects (Protocol V)United Nations Office for Disarmament Affairs
14webProtocol on Explosive Remnants of War (Protocol V to the 1980 CCW Convention), 28 November 2003International Committee of the Red Cross
15webGGE on lethal autonomous weapons systems2025-11-27
16webStatements at the First 2025 GGE LAWS Session2025-03-09
17newsConvention on Certain Conventional Weapons (CCW) At a Glance Arms Control Association
18newsAutonomous weapons are a game-changer25 January 2018
19newsThe world just blew a 'historic opportunity' to stop killer robotsJeremy Khan — 2021

Convention on Certain Conventional Weapons

1. Origins And Entry Into Force

2. The Five Regulatory Protocols

3. Amendments To Mine Regulations

4. Enforcement And Compliance Gaps

5. Modern Negotiations On Autonomy

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Common questions

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