Diplomacy & Politics Glossary

A doctrine preventing courts of one country from questioning the validity of public acts committed by a recognized foreign sovereign within its own territory.

A principle preventing courts of one country from questioning the validity of public acts performed by a recognized foreign sovereign within its own territory.

An exception allowing domestic courts to review foreign sovereign acts when they violate international law or fundamental rights. It limits the traditional immunity of states in judicial proceedings.

A method of interpreting treaties by considering the combined effect of multiple related treaty provisions to understand their overall meaning.

The forcible acquisition of one state's territory by another state without the consent of the former.

Interpretation of treaty terms based on their independent meaning within international law, rather than relying on domestic law definitions. It ensures uniform application across states.

Historical agreements granting privileges and immunities to foreign nationals within a host state, often affecting jurisdiction and legal treatment.

A legal doctrine allowing treaties to become inapplicable due to a fundamental change of circumstances. It permits modification or termination of treaties under significant changes.

Acts taken by a state in response to another state's internationally wrongful act, intended to induce compliance with international obligations.

Customary international human rights law consists of rights and obligations derived from consistent state practice and opinio juris, binding all states regardless of treaty ratification.

International obligations arising from established state practices accepted as legally binding, even without written treaties.

The process by which consistent state practice accompanied by opinio juris creates binding international law norms. It requires both objective behavior and subjective belief in legal obligation.

The legal theory that a state's existence is independent of recognition by other states and that recognition merely acknowledges an existing fact.

Protection granted by a state within its diplomatic premises to individuals fleeing persecution or legal prosecution in the host state.

The right of a state to protect its nationals by espousing their claims against another state for injuries caused by internationally wrongful acts. It is a mechanism of international responsibility.

All states possess equal rights and duties under international law regardless of their size or power.

A system where international law and domestic law operate separately, requiring domestic legislation to enforce international obligations.

The actual, continuous, and peaceful display of state authority over a territory to establish sovereignty.

A principle in territorial acquisition requiring actual, continuous, and peaceful display of state authority over a territory to establish sovereignty.

Legal obligations owed by states towards the international community as a whole, allowing any state to invoke responsibility for their breach.

Voluntary payments made by a state or organization without admitting legal liability, often to victims of wrongful acts.

The ability of a state to exercise legal power beyond its territorial boundaries under certain conditions.

A provision in a treaty allowing states to choose whether to accept certain obligations or procedures, such as dispute settlement mechanisms.

Jurisdiction exercised by a state or international body based on specific functions or activities rather than territorial or personal grounds.

Non-binding decisions or recommendations adopted by the United Nations General Assembly addressing international issues.

Duties imposed on a state that receives foreign diplomatic missions, international organizations, or refugees within its territory.

Control over foreign territory acquired through force without legal consent, generally considered illegal under international law.

Special legal protections granted to certain international actors, such as diplomats and international organizations, to enable their functions.

Absolute immunity granted to certain high-ranking state officials from foreign jurisdiction during their tenure.

Consent to be bound by a treaty inferred from a state's conduct rather than explicit signature or ratification. It reflects practical acceptance of treaty obligations.

Binding treaties adopted by the International Labour Organization establishing international labor standards.

Internationally recognized guidelines and conventions protecting workers’ rights and promoting fair labor practices.

A UN body tasked with promoting the progressive development and codification of international law.

An action or omission attributable to a state that breaches an international obligation and causes injury to another state. It triggers state responsibility.

A principle stating that a legal situation must be judged by the law in force at the time the act occurred, not by current law.

The use of force or influence by one state within the territory or affairs of another state without consent, generally prohibited under international law.

A state's lawful request for foreign military assistance within its territory to maintain order or counter threats.

The principle that prohibits states from intervening in the internal affairs of other states through coercive measures.

Peremptory norms of international law from which no derogation is permitted, such as prohibitions on genocide and torture.

Rules granting diplomats protection from legal processes in the host state to ensure safe and effective diplomatic relations. It is codified in the Vienna Convention on Diplomatic Relations.

The set of rules and principles that govern the creation, interpretation, application, and termination of treaties.

The capacity of international organizations to possess rights and obligations and to enter into treaties independently of their member states. It enables them to act in international law.

A legal doctrine that a more specific law overrides a more general law when both apply to the same situation.

A legal doctrine where specific law overrides general law when both apply to a case.

A rule that a more specific law overrides a more general law when both apply to the same situation.

A legal system where international law automatically becomes part of domestic law without requiring separate legislation.

An obligation owed by states towards all other states and the international community, not just specific parties.

A principle meaning agreements must be kept, obliging states to honor their treaty commitments in good faith.

A fundamental principle of international law accepted by the international community from which no derogation is permitted.

A principle recognizing states' rights to control and exploit natural resources within their territory without external interference.

A state consistently opposing an emerging customary international law norm may exempt itself from being bound by that norm.

An obligation in international law requiring parties to act honestly and sincerely in fulfilling treaty commitments.

The rule prohibiting states from intervening in the internal or external affairs of other states in a manner violating sovereignty.

Treaties are binding upon the parties and must be performed in good faith without unilateral withdrawal or violation.

The principle of universal succession governs the transfer of rights and obligations from one state to another, such as when a new state replaces a predecessor.

The temporary application of a treaty before its formal entry into force, pending ratification or approval.

A unilateral statement by a state when signing, ratifying, or acceding to a treaty that excludes or modifies the legal effect of certain provisions in their application to that state.

Coordinated measures imposed by states or international organizations to influence behavior of targeted states or entities.

Self-determination of peoples is the principle that communities have the right to freely determine their political status and pursue their economic, social, and cultural development.

A treaty provision that becomes effective in domestic law without the need for additional legislation.

Non-binding norms, principles, or declarations that influence international behavior without having formal legal force.

Non-binding agreements, declarations, or guidelines that influence state behavior without legal enforceability.

The principle that a sovereign state cannot be sued in the courts of another state without its consent.

The concept that a state is bound by international law only when it has given explicit or implicit consent to be bound.

The principle that a sovereign state and its property are immune from the jurisdiction of foreign national courts without consent.

A doctrine that protects a sovereign state from enforcement measures like seizure of assets in foreign courts without its consent.

The legal authority a state has to regulate conduct and enforce laws within its territory or over its nationals abroad.

Consistent and general behavior by states followed out of a sense of legal obligation, forming a source of customary international law.

The legal accountability of a state for internationally wrongful acts that breach its obligations under international law.

The legal process by which one state replaces another in responsibility for the international relations of a territory. It affects treaties, debts, and rights associated with the territory.

The rules governing the continuity or termination of treaty obligations when a state undergoes fundamental changes like dissolution or unification.

The principle that international borders of a state should not be violated or altered without consent, protecting state sovereignty.

The process of determining the meaning and application of treaty provisions based on text, context, and object and purpose, guided by rules in the Vienna Convention on the Law of Treaties.

A unilateral statement by a state when signing a treaty, excluding or modifying the legal effect of certain provisions.

Declarations made by states to exclude or modify the legal effect of certain treaty provisions in their application.

The process by which a newly formed state assumes the treaty obligations and rights of a predecessor state.

An international agreement that codifies the rules for creating, interpreting, and terminating treaties between states.

A region designated by treaty or agreement where states commit to peace, non-aggression, and neutrality obligations.