Settlement of International Dispute Under UNO With Special Reference to Compulsive Means

Key Takeaways

• Settlement of international disputes under the United Nations refers to the methods and procedures adopted to resolve disagreements between states and maintain international peace and security. The United Nations Charter provides for both peaceful settlement and enforcement measures.
• Article 2(3) of the UN Charter requires member states to settle their international disputes through peaceful means without endangering international peace, security and justice. Article 2(4) generally prohibits the threat or use of force in international relations.
• Chapter VI of the UN Charter (Articles 33–38) provides for peaceful methods of dispute settlement, including negotiation, enquiry, mediation, conciliation, arbitration, judicial settlement and settlement through regional organisations.
• Compulsive means of settlement refer to coercive measures used to maintain or restore international peace and security. Chapter VII of the UN Charter empowers the Security Council to adopt enforcement measures where there is a threat to peace, breach of peace or act of aggression.
• Article 41 provides for non-military enforcement measures, such as economic sanctions, trade restrictions, arms embargoes, asset freezes, travel bans and interruption of diplomatic relations.
• Article 42 permits military enforcement action when the Security Council considers measures under Article 41 inadequate or ineffective. Such action may include blockades and military operations involving air, sea or land forces.
• The UN Security Council plays the central role in enforcement action, but the effectiveness of compulsive measures can be affected by the veto power of permanent members, political disagreements, difficulties in implementation and humanitarian consequences.

International disputes arise when two or more states disagree over matters involving territory, political interests, international obligations, trade, maritime boundaries, sovereignty or the interpretation of treaties. Such disagreements may develop into serious conflicts if they are not resolved through appropriate legal and diplomatic procedures.

The United Nations Organisation (UNO) was established in 1945 to maintain international peace and security, develop friendly relations among nations and promote international cooperation.

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One of its principal responsibilities is to encourage the peaceful settlement of international disputes and prevent disagreements from developing into armed conflicts.

The UN Charter establishes a legal framework for dispute settlement. While peaceful methods remain the primary approach, the Charter also provides for compulsory enforcement measures in situations involving threats to international peace and security.

These enforcement measures allow the Security Council to respond collectively to serious international situations, including through sanctions and, where legally authorised, military action.

Meaning of International Disputes

An international dispute is a disagreement between states concerning a question of law or fact, a conflict of legal views, or opposing interests and claims.

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Such disputes generally arise when one state asserts a right or makes a claim that another state rejects.

International disputes may be broadly classified into two categories.

Legal Disputes

Legal disputes concern the interpretation or application of international law, treaties, legal rights or international obligations.

Examples include disagreements regarding territorial boundaries, treaty violations, diplomatic immunity and the interpretation of international agreements.

These disputes may be resolved through arbitration or judicial settlement, including proceedings before the International Court of Justice, where the necessary jurisdiction exists.

Political Disputes

Political disputes primarily involve conflicting national interests, governmental policies, security concerns or diplomatic relations.

Such disputes may involve legal questions, but their resolution frequently requires negotiation, mediation or political compromise.

International disputes are not always exclusively legal or political. Many contain elements of both.

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Legal Framework for Settlement of International Disputes Under the UNO

The United Nations Charter contains several important provisions governing international dispute settlement.

Article 1(1) identifies the maintenance of international peace and security as a principal purpose of the United Nations. It also recognises the peaceful adjustment or settlement of international disputes in conformity with justice and international law.

Article 2(3) requires member states to settle their international disputes by peaceful means.

Article 2(4) prohibits the threat or use of force against the territorial integrity or political independence of any state, or in any other manner inconsistent with the purposes of the United Nations.

The Charter further establishes two important mechanisms:

• Chapter VI – Pacific Settlement of Disputes: Articles 33–38 deal with peaceful methods of resolving disagreements through diplomatic, political and legal procedures.
• Chapter VII – Enforcement Measures: Articles 39–51 establish the framework for Security Council action concerning threats to peace, breaches of peace and acts of aggression.

The distinction is important because the existence of an international dispute does not automatically justify the use of coercive or military measures.

Peaceful Means of Settlement of International Disputes

The peaceful settlement of disputes in international law is the fundamental approach recognised by the United Nations Charter.

Article 33 requires parties to disputes whose continuation is likely to endanger international peace and security to seek a solution through peaceful methods.

Negotiation

Negotiation is a process in which disputing states communicate directly to reach a mutually acceptable settlement.

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It may involve diplomatic discussions, bilateral meetings, formal conferences or negotiations between authorised representatives.

Negotiation allows states to maintain control over the settlement process without requiring intervention by a third party.

Mediation

Mediation involves the participation of a third party who assists disputing states in reaching an agreement.

The mediator may be another state, an international organisation or an independent representative.

The mediator facilitates communication, suggests possible solutions and encourages compromise. However, the mediator cannot ordinarily impose a binding settlement.

Enquiry

Enquiry is a method of dispute settlement through which an independent body investigates disputed facts.

Its principal purpose is to establish an accurate understanding of the circumstances giving rise to the disagreement.

Enquiry is particularly useful where the parties disagree about events, evidence or factual circumstances.

Conciliation

Conciliation involves an independent commission or third party examining a dispute and recommending terms of settlement.

Unlike mediation, conciliation generally follows a more structured procedure involving investigation and recommendations.

The recommendations are ordinarily not legally binding unless the parties have agreed otherwise.

Arbitration

Arbitration is a legal method of dispute settlement in which parties submit their disagreement to an arbitral tribunal.

The tribunal examines the facts, applicable law and arguments before delivering an award.

An arbitral award is generally binding upon the parties according to the terms of the arbitration agreement and applicable legal rules.

Judicial Settlement

Judicial settlement involves referring a legal dispute to an international court or tribunal.

The International Court of Justice (ICJ) is the principal judicial organ of the United Nations.

It decides legal disputes between states where it has jurisdiction. Its judgments in contentious cases are binding upon the parties to the particular case.

Regional Arrangements

Article 33 also recognises settlement through regional agencies or arrangements.

Regional organisations may assist states through negotiation, mediation, peace initiatives and other diplomatic procedures.

These methods help resolve disputes within a regional context while remaining subject to the UN Charter.

What Are Compulsive Means of Settlement of International Disputes?

Compulsive means of settlement of international disputes are coercive measures adopted to secure compliance with international obligations, respond to threats to international peace or restore peace and security.

Under the United Nations system, these measures are primarily associated with the enforcement powers of the Security Council under Chapter VII of the UN Charter.

Unlike peaceful methods, compulsory enforcement measures do not necessarily depend upon the consent of the state against which they are directed.

Such measures may include economic sanctions, restrictions on diplomatic relations, financial restrictions and military action authorised by the Security Council.

However, the expression compulsive settlement requires an important qualification.

Chapter VII measures are primarily intended to maintain or restore international peace and security. They do not necessarily produce a final legal settlement of the underlying dispute.

For example, Security Council sanctions may compel a state to comply with international demands without resolving a separate territorial dispute between the parties.

Compulsive measures are therefore more accurately understood as enforcement measures within the broader international dispute settlement system.

Compulsive Means Under Chapter VII of the UN Charter

Chapter VII provides the principal legal authority for collective enforcement action under the United Nations system.

The Security Council may adopt enforcement measures where it determines that a situation constitutes a threat to peace, breach of peace or act of aggression.

Article 39: Determination of Threat to Peace, Breach of Peace or Aggression

Article 39 empowers the Security Council to determine whether a situation amounts to:

• Threat to peace: A situation that endangers international peace and security, even where a full-scale armed conflict has not occurred.
• Breach of peace: A situation involving an actual disturbance of international peace, such as armed hostilities between states.
• Act of aggression: Conduct involving the unlawful use of armed force by one state against another, as recognised under applicable international law.

Following such a determination, the Security Council may make recommendations or decide on measures under Articles 41 and 42.

Article 39 is significant because it establishes the foundation for the Security Council’s enforcement powers.

Article 40: Provisional Measures

Article 40 authorises the Security Council to call upon the parties concerned to comply with provisional measures intended to prevent a situation from becoming more serious.

Such measures may include requests for a ceasefire, cessation of hostilities, withdrawal from particular positions or other steps intended to reduce tensions.

Provisional measures are temporary arrangements aimed at preventing further deterioration of the situation.

They do not determine the final legal rights or claims of the parties.

Article 40 also provides that the Security Council shall take account of any failure to comply with these measures.

Article 41: Non-Military Compulsive Measures

Article 41 empowers the Security Council to adopt enforcement measures that do not involve the use of armed force.

These measures seek to influence the conduct of states, organisations or individuals by imposing economic, diplomatic or other restrictions.

The principal non-military measures include the following.

Economic Sanctions

Economic sanctions restrict commercial, financial or economic activities involving the targeted state or other designated entities.

They may include restrictions on imports, exports, financial transactions and access to particular economic resources.

Arms Embargoes

Arms embargoes restrict the supply, sale or transfer of weapons and related military equipment to specified states, groups or individuals.

Their purpose may be to reduce access to weapons during armed conflicts or prevent further escalation.

Asset Freezes

Asset freezes restrict designated individuals or organisations from accessing, transferring or dealing with specified funds and economic resources.

These measures are frequently used within targeted sanctions regimes.

Travel Bans

Travel bans restrict the international movement of persons designated under particular Security Council sanctions arrangements.

Diplomatic Restrictions

The Security Council may also require measures affecting diplomatic relations, including the severance of diplomatic relations.

Article 41 expressly mentions interruption of economic relations, communication links and diplomatic relations. Its wording is not exhaustive, allowing the Security Council to adopt other non-military measures within its legal powers.

Article 42: Military Compulsive Measures

Article 42 empowers the Security Council to take military enforcement action where it considers that Article 41 measures would be inadequate or have proved inadequate.

The provision permits action by air, sea or land forces where necessary to maintain or restore international peace and security.

Military measures may include:

• Naval Blockades: Restrictions enforced through naval operations to prevent specified maritime movement or activities within the scope of the authorisation.
• Air Operations: Military action involving aircraft where authorised by the Security Council.
• Land Operations: Deployment or operations of armed forces to implement the authorised enforcement measures.
• Other Military Operations: Operations falling within the scope and purpose of the relevant Security Council authorisation.

Article 42 is one of the most significant provisions relating to compulsive means because it recognises the possibility of collective military enforcement.

However, military action is not automatically authorised whenever sanctions fail. A valid Security Council decision authorising the relevant action is necessary, unless another recognised legal basis for force exists.

How Are Compulsive Measures Implemented Under the UN Charter?

The Charter contains additional provisions governing the organisation and implementation of enforcement action.

Articles 43–47: Military Arrangements

Article 43 envisages special agreements under which member states would make armed forces, assistance and facilities available to the Security Council.

Articles 44–47 address participation in military decisions, national air-force contingents, military planning and the Military Staff Committee.

The comprehensive system of special military agreements envisaged under Article 43 has not been implemented as originally contemplated.

Consequently, Security Council-authorised military operations have generally relied upon forces provided by willing member states rather than a permanent UN army.

Articles 48–50: Implementation and Cooperation

Article 48 provides that enforcement decisions may require action by all UN members or by some of them, as determined by the Security Council.

Article 49 requires member states to assist one another in implementing Security Council measures.

Article 50 recognises that sanctions may create economic difficulties for other states. It allows an affected state, whether a UN member or not, to consult the Security Council regarding such difficulties.

These provisions demonstrate that enforcement measures operate through collective international cooperation rather than through the Security Council alone.

Article 51: Right of Self-Defence

Article 51 recognises the inherent right of individual or collective self-defence if an armed attack occurs against a UN member state.

Measures taken in self-defence must be immediately reported to the Security Council.

This right is distinct from Security Council enforcement action under Article 42. Article 51 does not give states an unrestricted right to use force for settling international disputes.

The customary international law requirements of necessity and proportionality also remain important in assessing the lawful exercise of self-defence.

Role of the UN Security Council in Compulsive Settlement

The Security Council has primary responsibility for maintaining international peace and security under Article 24 of the UN Charter.

It consists of 15 members, including five permanent members: China, France, Russia, the United Kingdom and the United States.

Its principal functions relating to enforcement include determining threats to international peace, adopting sanctions, authorising enforcement action and monitoring the implementation of its decisions.

Under Article 25, UN member states agree to accept and carry out Security Council decisions in accordance with the Charter.

How Does the Veto Power Affect Enforcement?

Under Article 27, substantive Security Council decisions require at least nine affirmative votes and must not be blocked by a negative vote from a permanent member.

This power is commonly known as the veto.

The veto may prevent the Security Council from adopting enforcement measures even where a substantial majority of its members support the proposed action.

Consequently, political disagreements among permanent members can affect the consistency and effectiveness of the collective security system.

Role of the General Assembly and the International Court of Justice

Although the Security Council possesses the principal enforcement powers, other UN organs also contribute to international dispute settlement.

General Assembly

The General Assembly may discuss international peace and security questions and make recommendations within the limits prescribed by the Charter.

Under Resolution 377 A(V), commonly known as Uniting for Peace, adopted in 1950, the General Assembly may consider collective measures where the Security Council fails to act because of disagreement among its permanent members.

However, General Assembly recommendations do not possess the same binding enforcement authority as Security Council decisions under Chapter VII.

International Court of Justice

The ICJ settles legal disputes between states where it possesses jurisdiction.

Article 94 requires UN members to comply with ICJ decisions in cases to which they are parties.

Under Article 94(2), where a party fails to perform obligations arising from an ICJ judgment, the other party may approach the Security Council.

The Security Council may, if it considers necessary, make recommendations or decide upon measures to give effect to the judgment.

This is a discretionary power rather than an automatic enforcement mechanism.

Important Cases and Examples of Compulsive Measures

Nicaragua v United States of America (1986)

In Military and Paramilitary Activities in and against Nicaragua (Nicaragua v United States of America) (1986), the International Court of Justice examined the prohibition on the use of force, non-intervention and collective self-defence.

The Court held that the United States had violated certain obligations under customary international law, including obligations relating to non-intervention and the prohibition on the use of force.

It rejected the collective self-defence justification advanced by the United States.

The judgment is important because it demonstrates that coercive action by states remains subject to international legal restrictions.

It is also relevant to the principles of state responsibility under international law, particularly where internationally wrongful conduct is attributable to a state.

Certain Expenses of the United Nations (1962)

In Certain Expenses of the United Nations (1962), the ICJ considered whether expenditure associated with certain UN operations constituted expenses of the Organisation under Article 17(2).

The advisory opinion addressed the constitutional roles of UN organs and the financing of peacekeeping operations.

The case is significant for understanding UN peacekeeping and the distinction between peacekeeping arrangements and military enforcement action under the Charter.

Iraq–Kuwait Conflict (1990–1991)

Following Iraq’s invasion of Kuwait in 1990, the Security Council adopted measures demanding Iraq’s withdrawal.

Through Resolution 678, adopted on 29 November 1990, the Security Council authorised member states cooperating with Kuwait to use necessary means to implement relevant resolutions if Iraq failed to comply by the specified deadline.

The subsequent multinational military operation demonstrated the use of collective military enforcement authorised by the Security Council.

Libya (2011)

In 2011, the Security Council adopted Resolution 1973, authorising specified measures to protect civilians in Libya.

The resolution permitted member states acting within its conditions to take necessary measures for civilian protection while excluding a foreign occupation force.

It provides another historical example of the Security Council authorising military measures in response to a serious international security situation.

Difference Between Peaceful and Compulsive Means of Settlement

Is UN Peacekeeping a Compulsive Means of Settlement?

UN peacekeeping should be distinguished from peace enforcement.

Traditional UN peacekeeping generally operates according to three principles:

1. Consent of the principal parties to the conflict.
2. Impartiality in implementing the mission’s mandate.
3. Non-use of force except in self-defence and defence of the mandate.

Modern peacekeeping missions may receive authority to use force for specified purposes, including protecting civilians.

However, peacekeeping is not automatically equivalent to Chapter VII military enforcement.

Peace enforcement may operate without the consent of the principal parties and may involve military action authorised under the Charter.

Limitations of Compulsive Means Under the United Nations

Despite the legal framework established by Chapter VII, compulsive measures face several practical and institutional difficulties.

Veto Power

The veto power of permanent Security Council members may prevent enforcement decisions from being adopted.

This can limit collective action in situations involving major political disagreements.

Political Considerations

Security Council decisions are influenced by the diplomatic positions, national interests and security priorities of member states.

Consequently, similar international situations may receive different institutional responses.

Humanitarian Consequences

Broad economic sanctions may adversely affect civilian populations by restricting economic activity, trade and access to important resources.

Targeted sanctions can reduce some of these consequences, although their effectiveness depends upon careful design and implementation.

Implementation Difficulties

Security Council enforcement measures depend substantially upon cooperation by member states.

Differences in national implementation, administrative capacity and political commitment may weaken their effectiveness.

Risk of Escalation

Military enforcement can intensify armed conflict or produce unintended consequences.

For this reason, the scope of authorisation, applicable international humanitarian law and the protection of civilians remain important considerations.

Enforcement Does Not Guarantee Settlement

Compulsive measures may stop aggression, enforce restrictions or create conditions for negotiations.

However, they do not necessarily resolve the legal or political disagreements that originally caused the dispute.

A durable settlement often requires continued diplomatic engagement, negotiation and institutional cooperation.

Conclusion

The settlement of international disputes under the United Nations is governed by a legal framework that places peaceful settlement at the centre of international relations.

Chapter VI of the UN Charter encourages states to resolve disagreements through negotiation, mediation, conciliation, arbitration, judicial settlement and other peaceful procedures.

Where disputes develop into threats to international peace and security, Chapter VII empowers the Security Council to adopt enforcement measures.

Articles 39–42 are particularly important because they establish the legal foundation for determining threats to peace and implementing provisional, non-military and military measures.

Compulsive means therefore serve as an important part of the United Nations collective security system. However, their effectiveness depends upon lawful authorisation, international cooperation, implementation by member states and the political functioning of the Security Council.

Ultimately, peaceful methods and enforcement measures are complementary elements of the UN framework. While enforcement may be necessary to prevent aggression or restore security, lasting settlement generally requires addressing the underlying causes of international disputes through international law and diplomatic cooperation.

Note: This article was originally written by Vasundhara Dhar (Birla Global University) and published on 25 May 2020. It was subsequently updated by the LawBhoomi team on 13 October 2026.