Law & Rights Glossary

The body of law regulating the conduct of parties during [Armed Conflict](https://modeldiplomat.com/learn/glossary/armed-conflict), focusing on protection of persons and restrictions on means of warfare.

A set of judicial principles under which a federal court declines to hear a case otherwise within its jurisdiction, deferring to state courts or other proceedings.

A state's formal consent to be bound by the authority of an international court or tribunal to hear and decide a dispute involving it.

Legal responsibility imposed on a person or state that aids, abets, or otherwise assists another in committing a wrongful act, rather than committing it directly.

A doctrine holding a person criminally responsible for assisting, encouraging, or facilitating another's offense, even without committing the underlying act.

Acquiescence is a state's tacit acceptance of a legal situation through prolonged silence or inaction when a protest would normally be expected.

An act by a state involving the use of armed force against the sovereignty, [Territorial Integrity](https://modeldiplomat.com/learn/glossary/territorial-integrity), or political independence of another state, violating international law.

An act by a state or [Non-State Actor](https://modeldiplomat.com/learn/glossary/non-state-actor) that constitutes participation in armed conflict, triggering the application of international humanitarian law.

A legal term for an extraordinary natural event, beyond human control or foresight, that can excuse a party from contractual or tort liability.

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.

The physical act or unlawful conduct element of a crime, which must be proven alongside mental intent (mens rea) to establish criminal liability.

A temporary court established to prosecute specific crimes or conflicts, such as the International Criminal Tribunal for the former Yugoslavia.

A standardized "take-it-or-leave-it" contract drafted by the stronger party, leaving the weaker party no meaningful opportunity to negotiate terms.

The formal legal process by which a court or tribunal hears a dispute and issues a binding decision based on applicable law.

Standards used by international courts or bodies to determine whether a case or complaint can be heard or reviewed.

Criteria used to determine whether a refugee claim is eligible for examination based on jurisdiction and substance before a [Refugee Status Determination](https://modeldiplomat.com/learn/glossary/refugee-status-determination) authority.

A legal doctrine allowing a person to acquire title to land by openly occupying it without the owner's permission for a statutorily defined period.

Non-binding legal advice issued by an international court or tribunal upon request by authorized UN organs or agencies.

A written statement of facts voluntarily made under oath or affirmation before an authorized officer, used as evidence in legal or administrative proceedings.

A legal defense in which the defendant introduces new facts that, if proven, defeat or mitigate liability even if the plaintiff's or prosecution's allegations are true.

Facts surrounding a crime that increase the offender's culpability or sentence, such as cruelty, victim vulnerability, premeditation, or discriminatory motive.

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

The use of armed force by a state against the sovereignty, [Territorial Integrity](https://modeldiplomat.com/learn/glossary/territorial-integrity), or political independence of another state.

A criminal defense asserting that the accused was somewhere other than the scene of the alleged offense when it occurred, making participation impossible.

A set of processes—chiefly negotiation, mediation, conciliation, and arbitration—used to resolve disputes outside formal court litigation.

A Latin term meaning 'friend of the court'; a person or group offering information or expertise to assist a court in deciding a case.

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

A court order restraining a party from commencing or continuing legal proceedings in another jurisdiction, typically to protect contractual forum or arbitration agreements.

A contract doctrine where one party signals, before performance is due, that it will not perform, allowing the other party to treat the contract as breached immediately.

A procedural entitlement allowing a party to appeal a decision to a higher court without needing permission or leave.

The authority of a higher court to review and revise the decisions of a lower court or tribunal, rather than hearing a case for the first time.

A binding decision issued by an arbitral tribunal resolving a dispute submitted to it by parties under an arbitration agreement.

A panel of one or more arbitrators chosen by disputing parties to resolve a legal dispute through a binding decision called an arbitral award.

A situation of sustained combat between two or more organized armed groups, triggering the application of international humanitarian law.

A conflict occurring within a state between governmental forces and [Non-State Armed Groups](https://modeldiplomat.com/learn/glossary/non-state-armed-groups), regulated by international humanitarian law provisions specific to internal conflicts.

An organized group not affiliated with any government that engages in [Armed Conflict](https://modeldiplomat.com/learn/glossary/armed-conflict) or violence.

A formal court hearing at which a criminal defendant is read the charges against them and asked to enter a plea.

A legal rule shielding materials prepared by or for a lawyer in anticipation of litigation from discovery by opposing parties.

A legal rule protecting confidential communications between a lawyer and client made for the purpose of seeking or providing legal advice from compelled disclosure.

An obligation requiring states to either extradite a suspected offender to another state or prosecute them domestically for serious international crimes.

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.

Weapons that can select and engage targets without human [Intervention](https://modeldiplomat.com/learn/glossary/intervention), raising legal and ethical questions under international humanitarian law.

A court proceeding to decide whether a person charged with a crime can be released pending trial, and on what conditions or financial guarantee.

A WTO rule allowing countries temporary trade restrictions to address serious [Balance of Payments](https://modeldiplomat.com/learn/glossary/balance-of-payments) difficulties without violating trade obligations.

United Nations rules on the treatment of women prisoners and non-custodial measures for women offenders, emphasizing gender-sensitive approaches.

Lines along the coast from which the breadth of the [Territorial Sea](https://modeldiplomat.com/learn/glossary/territorial-sea) and other maritime zones are measured under the law of the sea.

A trial in which a judge, rather than a jury, decides both questions of fact and questions of law and issues the final verdict.

An agreement between two states to protect each other's nationals from surrender to the [International Criminal Court](https://modeldiplomat.com/learn/glossary/international-criminal-court) without consent.

Agreements between two countries establishing terms and protections for private investment across borders.

A legislative act that singles out a specific person or group for punishment without a judicial trial.

A formal written request or court-ordered statement compelling a party to specify the factual details underlying a pleading or charge.

A formal declaration of fundamental rights and liberties of individuals, typically entrenched in a constitution or statute and enforceable against the state.

Well-established, uncontroversial legal rules and principles that are widely accepted by courts and treatises with little dispute over their content.

The legal maxim that it is better for ten guilty persons to escape punishment than for one innocent person to suffer wrongful conviction.

U.S. state-level statutes regulating the offer and sale of securities to protect investors from fraudulent schemes.

Latin for "in good faith"; a legal standard requiring honest intent, sincerity, and absence of fraud or deceit in an act, claim, or agreement.

A party who acquires property in good faith without knowledge of any defects or claims against it, relevant in international investment disputes.

A failure by one party to perform any obligation owed under a binding contract, without lawful excuse, entitling the other party to legal remedies.

The obligation on a party to convince the trier of fact, to a specified standard of proof, that its factual claims are true.

The obligation of a party to present evidence sufficient to convince the arbitral tribunal of the truth of its claims or defenses.

A common-law doctrine that shields corporate directors from liability for decisions made in good faith, on an informed basis, and in the honest belief they serve the company.

The legal ability of a person or entity to enter into a binding contract, requiring sufficient age, mental competence, and legal authority.

The state-sanctioned execution of a person as punishment for a crime, typically following conviction for offenses defined as capital under domestic law.

Historical agreements granting privileges and immunities to foreign nationals within a [Host State](https://modeldiplomat.com/learn/glossary/host-state), often affecting jurisdiction and legal treatment.

Regulations requiring that a certain percentage of government-impelled cargo be transported on national-flagged vessels to support domestic shipping industries.

A set of facts and legal grounds sufficient to justify a party's right to seek a judicial remedy against another party in court.

Latin for "let the buyer beware" — a common-law doctrine placing the burden on a purchaser to inspect goods or property before buying.

A discretionary order by which a higher court calls up the record of a lower court's case for review, most associated with the U.S. Supreme Court.

The documented, unbroken record of the seizure, transfer, handling, and storage of physical or digital evidence used to prove its integrity in legal proceedings.

A court of equity that resolves disputes using fairness-based remedies such as injunctions and specific performance rather than monetary damages alone.

A formal written instrument filed by a prosecutor that initiates criminal proceedings by specifying the offences charged and the factual allegations against a named defendant.

The set of rules a court uses to decide which jurisdiction's substantive law governs a dispute that has connections to more than one legal system.

Indirect evidence that requires an inference to connect it to a fact in issue, as opposed to direct evidence like eyewitness testimony or a confession.

The body of rules governing how courts adjudicate non-criminal disputes, covering jurisdiction, pleadings, discovery, trial, judgment, and appeal.

A court order recognizing that a lawsuit may proceed as a class action on behalf of a defined group of similarly situated plaintiffs.

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.

A legal principle holding that a party seeking relief must not itself be guilty of related wrongdoing connected to the dispute it brings before a court.

An intermediate standard of proof requiring a party to show that a contested fact is highly and substantially more probable to be true than not.

The French civil code enacted in 1804 under Napoleon Bonaparte, which codified private law and became the template for civil-law systems worldwide.

The process of consolidating customary or scattered legal rules into a systematic, written set of binding norms, typically through treaties or statutes.

A doctrine barring relitigation of a specific factual or legal issue that was already actually litigated and decided in a prior case between the parties.

The discretionary courtesy by which one state's courts or officials recognize and give effect to the laws, judgments, or acts of another sovereign state.

A provision in the [Geneva Conventions](https://modeldiplomat.com/learn/glossary/geneva-conventions) establishing the International Committee of the Red Cross's right to monitor the treatment of prisoners of war and detainees.

A legal tradition originating in England in which law develops primarily through judicial decisions and binding precedent rather than comprehensive written codes.

A tort doctrine that reduces a plaintiff's damages in proportion to their own share of fault for the injury, rather than barring recovery entirely.

Monetary awards intended to make an injured party whole by reimbursing actual losses caused by another party's wrongful act.

A principle where the [International Criminal Court](https://modeldiplomat.com/learn/glossary/international-criminal-court) acts only when national jurisdictions are unwilling or unable to prosecute serious crimes.

The ICC prosecutes crimes only when national jurisdictions are unwilling or unable to genuinely investigate or prosecute.

The principle that international courts may only prosecute crimes when national courts are unwilling or unable to do so genuinely.

The principle that international criminal courts prosecute crimes only when national jurisdictions are unwilling or unable to do so themselves.

A dispute resolution process mandated by treaty or law requiring parties to submit to conciliation before pursuing other remedies.

Jurisdiction that a court exercises over parties without their prior consent, typically under treaty provisions. It enables international courts to hear disputes mandatorily.

The situation where more than one court or tribunal has the authority to adjudicate the same dispute. It often occurs between domestic and international jurisdictions.

A sentencing arrangement in which a defendant convicted of multiple offences serves the prison terms simultaneously rather than back-to-back.

A guilty plea that reserves the defendant's right to appeal a specified pretrial ruling, with withdrawal allowed if the appeal succeeds.

Consideration is the bargained-for exchange of value—an act, promise, or forbearance—that each party gives in return for the other's promise in a contract.

A tort claim by a close family member seeking compensation for the loss of companionship, services, or affection caused by injury to their relative.

A criminal-law doctrine making it an offence for two or more persons to agree to commit an unlawful act, often regardless of whether the act is carried out.

A landlord-tenant doctrine letting a tenant terminate a lease when the landlord's acts or omissions render the premises substantially uninhabitable.

A legal doctrine treating a party as having knowledge of a fact because it was publicly recorded or reasonably discoverable, regardless of actual awareness.

A judicial finding that a person has disobeyed a court order or disrespected the court's authority, punishable by fines or imprisonment.

A maritime zone extending up to 24 nautical miles from the baseline where a state may enforce laws related to customs, immigration, and sanitation.

The seabed and subsoil extending beyond a coastal state's [Territorial Sea](https://modeldiplomat.com/learn/glossary/territorial-sea) to the outer edge of the continental margin, where the state has sovereign rights for resource exploration.

A legal fee arrangement where the attorney is paid a percentage of the client's recovery only if the case succeeds, and nothing if it fails.

A principle allowing interception of neutral ships carrying contraband if the voyage is part of a continuous journey to an enemy state during [Armed Conflict](https://modeldiplomat.com/learn/glossary/armed-conflict).

A tort law doctrine under which a plaintiff's recovery is barred or reduced because their own negligence contributed to the harm they suffered.

A civil wrong in which a person intentionally exercises control over another's personal property in a way that seriously interferes with the owner's rights.

A mandatory waiting interval during which parties to a dispute must pause escalation, strike action, or a transaction before proceeding to the next legal step.

The legal separation between a company and its shareholders, treating the corporation as a distinct person whose debts and liabilities do not attach to its owners.

A claim brought by a respondent against the applicant within the same proceedings, seeking affirmative relief rather than merely defending against the original claim.

Acts taken by a state in response to another state's [Internationally Wrongful Act](https://modeldiplomat.com/learn/glossary/internationally-wrongful-act), intended to induce compliance with international obligations.

The highest court in a given jurisdiction whose decisions on questions of law cannot be appealed to any other domestic tribunal.

The planning, preparation, initiation, or waging of a war of aggression in violation of international treaties, agreements, or assurances.

Certain widespread or systematic attacks against civilians, including murder, enslavement, torture, and persecution.

The movement of personal or sensitive data across national borders, often regulated by data protection and privacy laws.

A claim brought by one party against a co-party on the same side of a lawsuit, typically arising from the same transaction as the original action.

A legal prohibition against punishments that are excessive, degrading, or inconsistent with evolving standards of decency, found in domestic constitutions and international human rights law.

Customary international human rights law consists of rights and obligations derived from consistent [State Practice](https://modeldiplomat.com/learn/glossary/state-practice) and opinio juris, binding all states regardless of treaty ratification.

Rules derived from general practice accepted as law that regulate conduct during armed conflicts.

A comprehensive collection of rules derived from [State Practice](https://modeldiplomat.com/learn/glossary/state-practice) and opinio juris that govern conduct during armed conflicts, recognized as binding even without treaty ratification.

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

The process by which consistent [State Practice](https://modeldiplomat.com/learn/glossary/state-practice) accompanied by opinio juris creates binding international law norms. It requires both objective behavior and subjective belief in legal obligation.

A legal rule allowing courts to redirect charitable gifts or class-action funds to a purpose "as near as possible" to the original when that original purpose becomes impossible or impractical.

The legal authority of a state to regulate conduct occurring in or affecting its cyberspace or digital infrastructure.

Criminal activities conducted through the internet or other digital means, including hacking, identity theft, and cyberterrorism.

A process to identify and minimize risks to personal data privacy before starting a new project or processing activity.

A designated individual responsible for ensuring an organization’s compliance with data protection laws like GDPR.

The concept that data is subject to the laws and governance of the country where it is collected or stored.

A standard of review in which an appellate or higher body re-examines a question fresh, giving no deference to the lower tribunal's conclusions.

A binding court ruling that states the legal rights or status of parties without ordering any specific action, damages, or coercive enforcement.

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

A category of defamatory statement so inherently harmful that the plaintiff need not prove actual monetary damages to recover.

A binding ruling entered in favor of one party because the opposing party failed to appear, respond, or otherwise participate in the proceedings.

A binding decision rendered by an arbitral tribunal when one party fails to appear or respond to the proceedings.

A formal pleading that challenges the legal sufficiency of an opponent's claim, arguing that even if the facts are true, they do not establish a cause of action.

A formal act by which a state lodges an instrument of ratification, accession, or acceptance with a designated depositary, giving treaty consent legal effect.

A lawsuit brought by a shareholder on behalf of a corporation to enforce a right the company itself has failed to pursue, typically against directors or officers.

A legal doctrine under which a party who reasonably relies on another's promise or representation, suffering harm as a result, may obtain a remedy even without a formal contract.

The concept that a state has the right to govern and regulate digital infrastructure and data within its territory.

A partial criminal defense arguing a defendant's mental impairment prevented forming the specific intent required for a higher-grade offense, reducing rather than eliminating liability.

Protection granted by a state within its diplomatic premises to individuals fleeing persecution or legal prosecution in the [Host State](https://modeldiplomat.com/learn/glossary/host-state).

A 1954 OAS treaty signed in Caracas that codifies Latin American practice on granting asylum to political offenders inside embassies and other diplomatic premises.

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.

A principle of EU law allowing individuals to invoke certain provisions of EU law directly before national courts without prior domestic implementation.

The formal revocation of a lawyer's license to practice law, imposed by a court or bar authority for serious professional misconduct.

An equitable remedy requiring a wrongdoer to surrender profits gained from unlawful conduct, focused on the defendant's gain rather than the victim's loss.

A U.S. federal court's authority to hear civil cases between citizens of different states (or a state and a foreign party) where the amount in controversy exceeds a statutory threshold.

An equitable defense that bars a claim when a party's unreasonable delay in asserting a right has prejudiced the opposing party.

A legal principle that justifies extra-constitutional or otherwise unlawful acts by state actors when deemed essential to preserve the state or public order.

The legal principle that courts should follow earlier judicial decisions when the same points arise again, ensuring consistency and predictability in the law.

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

A U.S. constitutional doctrine that bars states from passing laws that discriminate against or unduly burden interstate commerce, even absent congressional action.

A legal principle barring a person from being tried or punished twice for the same offence after a valid acquittal or conviction.

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

The legal principle that the state must respect fair, established procedures and substantive rights before depriving any person of life, liberty, or property.

A criminal law defense claiming the accused committed an offense only because of an immediate threat of death or serious bodily harm leaving no reasonable alternative.

A legal right to use or access another person's land for a specific limited purpose without owning or possessing it.

Rights that guarantee access to education, health, work, and cultural participation, protected under international human rights treaties.

A criterion to attribute conduct to a state based on its effective control over non-state actors during [Armed Conflict](https://modeldiplomat.com/learn/glossary/armed-conflict).

The actual, continuous, and peaceful display of state authority over a territory to establish [Sovereignty](https://modeldiplomat.com/learn/glossary/sovereignty).

A principle in territorial acquisition requiring actual, continuous, and peaceful display of state authority over a territory to establish [Sovereignty](https://modeldiplomat.com/learn/glossary/sovereignty).

A tort law doctrine holding that a defendant is liable for the full extent of harm caused to a victim, even if the victim was unusually fragile.

The Eighth Amendment to the U.S. Constitution prohibits excessive bail, excessive fines, and the infliction of cruel and unusual punishments.

The power of a state to take private property for public use, typically requiring due process and payment of just compensation to the owner.

A rehearing of a case by all (or a larger panel of) judges of an appellate court, rather than by the usual smaller panel.

A statute that delegates legislative power from a parliament to another body—typically the executive—allowing it to issue rules or decrees with the force of law.

A person compelled to leave their country due to sudden or gradual environmental changes adversely affecting their living conditions.

People forced to leave their homes due to environmental factors like climate change, natural disasters, or resource depletion.

A constitutional guarantee that the state must treat similarly situated persons alike, prohibiting arbitrary or invidious discrimination by government.

A doctrine preventing a party from asserting a legal claim or defense that contradicts its prior conduct or representations relied on by another party.

Rules ensuring fair and just division of maritime boundaries between states, considering geography and other relevant factors.

A court-ordered non-monetary remedy, such as an injunction or specific performance, granted when damages would be inadequate to address the harm.

A body of legal principles, originating in the English Court of Chancery, that supplements strict common law with discretionary remedies based on fairness and conscience.

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

A legal principle preventing a state or party from contradicting a prior clear and consistent position that another party has reasonably relied upon to its detriment.

A regional human rights court that enforces the European Convention on Human Rights against member states of the Council of Europe.

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

Voluntary payments made by a state or organization without admitting legal obligation, often to victims of conflict or human rights violations.

A communication with a judge or decision-maker about a pending matter made by one party without notice to, or the presence of, the opposing party.

A law that retroactively criminalizes conduct, increases penalties, or alters legal consequences for acts committed before the law's enactment.

A treaty or contract provision that bars certain persons, situations, or claims from the instrument's scope of application.

A contractual provision designating a specific court or tribunal as the sole forum to resolve disputes.

A contract-law remedy that awards the non-breaching party the monetary value needed to put them in the position they would have occupied had the contract been performed.

A trust deliberately created by a settlor's clear declaration, transferring property to a trustee to hold for named beneficiaries on stated terms.

The act by a state of taking private property for public use, usually requiring prompt and adequate compensation under international investment law.

The state's taking of private property for public use, requiring prompt, adequate, and effective payment to the owner.

The formal process by which one state surrenders an individual accused or convicted of a crime to another state for prosecution or punishment.

A bilateral or multilateral agreement facilitating the handing over of accused or convicted persons between states.

[Extradition Treaty](https://modeldiplomat.com/learn/glossary/extradition-treaty) exceptions are specific legal grounds allowing states to refuse surrendering individuals to requesting states under certain conditions.

The [Extension](https://modeldiplomat.com/learn/glossary/extension) of a state's criminal jurisdiction beyond its borders to prosecute offenses committed abroad. It is often justified by nationality or protective principles.

The [Extension](https://modeldiplomat.com/learn/glossary/extension) of a state's human rights obligations beyond its territorial boundaries in certain situations.

Duties of states to respect and protect human rights beyond their own territory under certain circumstances.

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.

A set of procedural rights ensuring that anyone facing criminal or civil proceedings is judged by an independent, impartial tribunal under transparent, equal rules.

A U.S. federal court's authority under 28 U.S.C. § 1331 to hear civil cases arising under the Constitution, federal laws, or treaties of the United States.

A common-law doctrine that holds participants in a qualifying felony liable for murder if a death occurs during the crime, even without intent to kill.

A legal obligation requiring one party to act in the best interests of another, with loyalty, care, and good faith, rather than for personal gain.

The authority and responsibility of a state to ensure that ships flying its flag comply with international regulations and standards.

The legal authority a state exercises over ships registered under its flag, including enforcement of laws on the high seas. It is fundamental to the law of the sea.

The responsibility of the state whose flag a vessel flies to ensure compliance with international maritime regulations and standards.

A legal doctrine excusing a party from performing contractual or treaty obligations when an extraordinary, unforeseeable event makes performance impossible.

The coerced movement of people from their homes due to conflict, persecution, or disasters.

The unlawful coercion of an individual into marriage during [Armed Conflict](https://modeldiplomat.com/learn/glossary/armed-conflict), recognized as a violation under international criminal law.

A 1976 U.S. statute setting the rules for when foreign states can be sued in American courts, codifying a restrictive theory of sovereign immunity.

A legal doctrine allowing courts to dismiss a case when another forum is more appropriate for hearing the dispute.

Consent by a state to a court’s jurisdiction after proceedings have begun, allowing adjudication despite initial lack of jurisdictional consent.

A contractual provision in which parties agree in advance on the court or jurisdiction that will hear any dispute arising under the contract.

The practice by parties to a dispute of choosing the most favorable court or tribunal in which to bring their legal case.

The Fourth Amendment to the U.S. Constitution protects people against unreasonable searches and seizures and generally requires warrants based on probable cause.

The principle allowing ships of all states to sail through international waters without interference, subject to international law.

The principle that the high seas are open to all states for navigation, fishing, and other lawful uses.

A common-law doctrine distinguishing an employee's minor deviation from work duties (detour) from a major personal pursuit (frolic) for vicarious liability purposes.

A doctrine excusing performance of a contract or treaty when an unforeseen event destroys the underlying reason both parties had for entering it.

Immunity granted to state officials for acts performed in their official capacity, protecting them from foreign jurisdiction.

Protection granted to state officials from foreign jurisdiction for acts performed in their official capacity, distinct from personal immunity.

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

A court-ordered legal process by which a creditor collects a debt by seizing a portion of the debtor's wages, bank funds, or other assets held by a third party.

Non-binding decisions or recommendations adopted by the [United Nations General Assembly](https://modeldiplomat.com/learn/glossary/united-nations-general-assembly) addressing international issues.

A European Union regulation that sets strict rules for the collection, use, and protection of personal data.

Treaty agreements supplementing the original [Geneva Conventions](https://modeldiplomat.com/learn/glossary/geneva-conventions) to expand protections in armed conflicts, including non-international conflicts.

An article obligating all parties to international armed conflicts to respect and ensure respect for the [Geneva Conventions](https://modeldiplomat.com/learn/glossary/geneva-conventions) in all circumstances.

A provision establishing minimum humanitarian protections in non-international armed conflicts.

An international treaty defining genocide and obligating states to prevent and punish its commission.

A law that shields people who voluntarily and in good faith assist others in an emergency from civil liability if their aid is imperfect.

A panel of citizens convened to decide whether there is sufficient evidence to formally charge someone with a serious crime.

A formal admission by a criminal defendant in open court that they committed the charged offense, waiving trial and authorizing the court to impose sentence.

A judicial writ requiring authorities to bring a detained person before a court and justify the legality of their detention, or release them.

A 1965 multilateral treaty creating standardized channels for serving judicial and extrajudicial documents across borders in civil and commercial matters.

An evidentiary rule that generally bars out-of-court statements offered to prove the truth of what they assert, subject to numerous exceptions.

A holographic will is a testamentary document handwritten and signed by the testator, typically without witnesses, that some jurisdictions accept as valid.

A country that receives and provides refuge or [Asylum](https://modeldiplomat.com/learn/glossary/asylum) to individuals fleeing persecution or conflict abroad.

The agreement by a state allowing foreign armed forces or peacekeepers to operate within its territory.

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

The unlawful seizing or detaining of individuals to compel actions from others during [Armed Conflict](https://modeldiplomat.com/learn/glossary/armed-conflict), prohibited under international humanitarian law. It constitutes a serious violation subject to prosecution.

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

A witness whose testimony is adverse to the party that called them, allowing that party to cross-examine and ask leading questions.

An intergovernmental UN body responsible for promoting and protecting human rights globally through dialogue and investigations.

An expert committee established under a human rights treaty to monitor state compliance and review individual complaints.

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

Protection granted to certain persons or property from enforcement measures such as seizure or attachment under foreign jurisdiction.

Immunity granted to state officials for acts performed in their official capacity, protecting them from foreign jurisdiction.

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

A courtroom technique for attacking a witness's credibility by showing bias, prior inconsistent statements, poor character for truthfulness, or defective perception.

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.

An unwritten, legally presumed guarantee that goods sold will meet basic standards of quality, merchantability, or fitness for their intended purpose.

A private judicial examination of sensitive evidence by a judge alone, conducted outside public view to decide what, if anything, may be disclosed.

A court's authority over a specific person or entity, allowing it to issue binding judgments against that party personally.

A court's legal authority over a specific piece of property or status itself, rather than over the persons who own or claim interests in it.

A criminal offense that punishes steps taken toward committing a substantive crime—chiefly attempt, conspiracy, and solicitation—even if that crime is never completed.

A formal written accusation, issued by a prosecutor or grand jury, charging a person with a serious criminal offense and initiating prosecution.

The collective rights of indigenous peoples to their ancestral lands, recognized under international human rights and humanitarian law.

Rights recognizing the cultural, land, and self-determination claims of indigenous peoples under international law.

A procedure allowing individuals to bring alleged human rights violations to regional or international treaty bodies for investigation and remedy.

A legal procedure in which the judge actively investigates the facts of a case, contrasted with the adversarial model where parties drive the inquiry.

A criminal-law defense arguing that a defendant should not be held legally responsible because a mental disorder impaired their capacity at the time of the offense.

A civil wrong committed when a person deliberately acts in a way that causes harm or offense to another, giving rise to liability for damages.

An autonomous organ of the Organization of American States that promotes and protects human rights in the Americas.

A regional human rights court that adjudicates alleged violations of the American Convention on Human Rights among member states.

A dispute resolution process where states submit their conflict to an arbitral tribunal for a binding decision outside of courts.

A procedure allowing one state to bring alleged human rights violations by another state before a regional human rights body.

Temporary orders issued by international courts or tribunals to preserve rights or prevent harm pending final judgment.

Temporary orders issued by arbitral tribunals to preserve rights or evidence pending the final award.

[Interim Measures](https://modeldiplomat.com/learn/glossary/interim-measures) of protection are temporary orders by international courts to prevent harm or preserve rights pending a final decision.

An appeal of a court's ruling made before the trial or case has reached a final judgment, typically on a discrete procedural or jurisdictional issue.

An international arbitration institution facilitating dispute resolution between foreign investors and states.

A discretionary principle by which states and their courts give effect to foreign laws, judgments, or executive acts out of mutual respect rather than legal obligation.

A multilateral treaty protecting fundamental civil and political rights like freedom of speech and fair trial.

A treaty recognizing rights related to work, education, health, and an adequate standard of living.

A permanent court that prosecutes individuals for crimes such as genocide, [Crimes Against Humanity](https://modeldiplomat.com/learn/glossary/crimes-against-humanity), war crimes, and aggression.

A UN court established to prosecute persons responsible for genocide and other serious violations of international humanitarian law in Rwanda in 1994.

A U.S. law that grants the president authority to regulate international commerce during national emergencies. It has implications for sanctions and trade law.

An independent body established under the [Geneva Conventions](https://modeldiplomat.com/learn/glossary/geneva-conventions) to investigate violations of international humanitarian law.

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.

A specialized UN agency responsible for regulating shipping, maritime safety, and preventing marine pollution.

The body of law governing the protection of refugees, [Asylum](https://modeldiplomat.com/learn/glossary/asylum) seekers, and stateless persons under international treaties and customs.

A UN court established to prosecute serious crimes committed during the conflicts in the Balkans in the 1990s.

A specialized judicial body established to adjudicate disputes arising out of the interpretation and application of UNCLOS.

An action or omission attributable to a state that breaches an international obligation and causes injury to another state. It triggers [State Responsibility](https://modeldiplomat.com/learn/glossary/state-responsibility).

The lawful detention of enemy fighters during [Armed Conflict](https://modeldiplomat.com/learn/glossary/armed-conflict) without criminal charges under international humanitarian law.

A civil procedure that lets a stakeholder holding property claimed by two or more parties force those claimants to litigate ownership among themselves.

Mechanisms through which states resolve conflicts peacefully, including negotiation, mediation, and adjudication.

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 authority claimed by some states to intervene legally in another state's affairs under specific international law conditions.

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

A mechanism allowing foreign investors to bring claims against host states for alleged treaty violations.

A person who enters another's property with express or implied permission for a purpose connected to the owner's business or public use, owed the highest duty of care.

A dispute resolution mechanism allowing investors to bring claims against states under [Bilateral Investment Treaties](https://modeldiplomat.com/learn/glossary/bilateral-investment-treaties) or trade agreements.

A doctrine barring relitigation of a specific factual or legal issue that has already been actually litigated and decided in a prior final judgment between parties.

A procedural mechanism allowing additional plaintiffs or defendants to be added to an existing case when their claims or interests are sufficiently connected.

A legal doctrine making each of multiple defendants independently responsible for the full amount of a plaintiff's damages, regardless of individual share of fault.

A legal doctrine attributing criminal responsibility to individuals who participate collectively in a common plan to commit crimes under international criminal law.

A post-trial ruling in which a judge overrides a jury's verdict because no reasonable jury could have reached it on the evidence presented.

A court's acceptance of certain facts as true without requiring formal proof, because they are commonly known or readily verifiable from authoritative sources.

Directions a judge gives jurors explaining the legal rules they must apply to the facts when deliberating on a verdict.

When a criminal trial jury acquits a defendant despite believing they violated the law, effectively refusing to apply a law the jurors find unjust.

[Peremptory Norms](https://modeldiplomat.com/learn/glossary/peremptory-norms) of international law from which no derogation is permitted, such as prohibitions on genocide and torture.

The quality of a dispute being appropriate for resolution by a court, as opposed to being political, hypothetical, or otherwise unsuitable for judicial review.

A tort rule allowing a negligent plaintiff to still recover damages if the defendant had the final realistic opportunity to avoid the harm but failed to do so.

A set of rules regulating the conduct of hostilities and the protection of persons during armed conflicts.

Rules granting diplomats protection from legal processes in the [Host State](https://modeldiplomat.com/learn/glossary/host-state) to ensure safe and effective diplomatic relations. It is codified in the Vienna Convention on Diplomatic Relations.

Rules governing the rights and duties of states that remain neutral during armed conflicts between other states.

The principle that a ship is subject to the jurisdiction and laws of the state whose flag it flies.

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

Formal permission from a court required before a party may pursue an appeal, granted only where specified legal thresholds are met.

State-funded or pro bono legal assistance provided to people who cannot afford a lawyer, ensuring access to justice in civil and criminal matters.

The ability recognized by law for a person or entity to hold rights, incur obligations, and perform valid legal acts such as contracting or appearing in court.

The capacity of an entity to hold rights, bear duties, and act under a legal system, including the ability to sue, be sued, and enter agreements.

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 theory of law holding that a rule's validity depends on its social sources (who enacted it, how) rather than on its moral merit.

A school of legal thought arguing that law is shaped less by formal rules than by judges' actual behavior, social context, and political or economic interests.

The right of a party to bring a case before a court, based on having a sufficient connection to and harm from the law or action challenged.

A formal open legal instrument issued by a sovereign or head of state granting an office, right, title, or status to a person or entity.

Formal requests from courts in one country to judicial authorities in another for assistance in obtaining evidence or serving documents.

Lex fori is the Latin term for "law of the forum"—the domestic law of the court hearing a case, used to resolve procedural questions in cross-border disputes.

A choice-of-law rule under which a tort claim is governed by the law of the place where the wrongful act occurred.

A body of commercial law rules and principles developed by merchants and applied internationally in trade disputes.

A legal principle holding that when two norms of equal rank conflict, the later-enacted one prevails over the earlier.

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 right or claim a creditor holds over a debtor's property as security for a debt or obligation until it is satisfied.

Restricted authority of coastal states over certain maritime zones, such as the contiguous zone, beyond [Territorial Waters](https://modeldiplomat.com/learn/glossary/territorial-waters).

A contractually pre-agreed sum payable by a breaching party, fixed in advance as a genuine estimate of the loss likely to flow from breach.

A legal doctrine holding that once a dispute is pending before one competent court, a second court should decline or stay parallel proceedings on the same matter.

Locus standi is the legal right of a party to bring a case before a court, based on a sufficient connection to the matter in dispute.

A law allowing a court to assert personal jurisdiction over out-of-state or foreign defendants based on their contacts with the forum.

Magna Carta is the 1215 English charter sealed by King John at Runnymede that bound the Crown to defined legal limits and inspired modern constitutionalism.

The mental state required for murder at common law, covering intent to kill, intent to cause grievous bodily harm, or extreme reckless disregard for human life.

A statutorily fixed minimum prison term that a judge must impose for a specified offense, removing discretion to sentence below that floor.

A court order freezing a defendant's assets to prevent their dissipation or removal from the jurisdiction before a judgment can be enforced.

A doctrine allowing regional human rights courts to provide states some discretion in how they implement certain rights.

A principle allowing regional human rights courts to permit states discretion in how they implement certain rights.

A principle in international humanitarian law that requires parties to a conflict to take all feasible precautions to avoid or minimize incidental harm to civilians and civilian objects.

The process of establishing agreed maritime borders between states in overlapping sea areas under international law.

A provision in humanitarian law emphasizing protection based on principles of humanity and public conscience when no specific treaty rule applies.

A serious violation of a treaty that entitles other parties to suspend or terminate the agreement in whole or in part.

The mental element of a crime—the intent, knowledge, recklessness, or negligence a defendant must have had for criminal liability to attach.

A required U.S. police advisory informing a suspect in custody of the rights to silence and to counsel before interrogation, established by Miranda v. Arizona (1966).

A contract-law doctrine requiring that an acceptance match the offer's terms exactly; any variation counts as a rejection and a counter-offer.

Misjoinder is the improper combining of parties or claims in a single lawsuit when procedural rules do not permit them to be litigated together.

A defense in which a person's honest, reasonable misunderstanding of a factual circumstance negates the mental state required for legal liability.

A trial that a judge terminates before a verdict because of a serious procedural error, jury deadlock, or event making a fair outcome impossible.

Facts about an offender or offence that, while not excusing guilt, reduce moral blameworthiness and may lower the sentence imposed.

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

A justiciability rule requiring courts to dismiss cases when the underlying dispute has been resolved or circumstances no longer present a live controversy.

Trade principle requiring states to treat all WTO members equally regarding trade advantages and tariffs.

A trade principle requiring a state to grant another state the same trade advantages it provides to any third party.

A pretrial request asking a court to rule on the admissibility of specific evidence before it is offered in front of the jury.

A pretrial request asking a court to throw out a case because, even if the alleged facts are true, no valid legal claim or jurisdiction exists.

A formal request asking a court to invalidate or set aside a prior legal action, order, subpoena, indictment, or service of process.

A pretrial request asking a court to exclude evidence from trial because it was obtained in violation of a defendant's constitutional or statutory rights.

A legal philosophy holding that law derives its authority from universal moral principles discoverable through human reason, rather than solely from state command.

A clause in Article I, Section 8 of the U.S. Constitution authorizing Congress to make all laws needed to execute its enumerated powers.

A tort doctrine treating the violation of a safety statute as conclusive (or presumptive) proof of the duty and breach elements of negligence.

A Latin maxim meaning "no one should be a judge in their own cause," requiring adjudicators to be free from personal interest or bias in the matters they decide.

A criminal plea, Latin for "I do not wish to contest," in which a defendant accepts punishment without formally admitting guilt.

A legal principle barring a person from being tried or punished twice for the same offence, equivalent to the common-law rule against double jeopardy.

Fundamental human rights that cannot be suspended or limited, even during emergencies or armed conflicts.

An armed conflict occurring within a state between government forces and [Non-State Armed Groups](https://modeldiplomat.com/learn/glossary/non-state-armed-groups), governed by specific IHL rules.

Compensation for losses that are not predetermined or fixed in amount but assessed by courts or tribunals based on proof of actual harm.

Compensation for damages not predetermined or fixed by contract, assessed after a dispute in international investment law.

The principle prohibiting states from returning refugees or [Asylum](https://modeldiplomat.com/learn/glossary/asylum) seekers to territories where their life or freedom would be threatened.

Prohibits returning refugees or [Asylum](https://modeldiplomat.com/learn/glossary/asylum) seekers to countries where they face serious threats to life or freedom.

A public officer authorized by the state to witness signatures, administer oaths, and authenticate documents for use in legal and cross-border transactions.

A civil wrong involving unreasonable interference with another's use and enjoyment of land (private) or with a right common to the public (public).

A remark or observation in a judicial opinion that is incidental to the decision and not legally binding as precedent.

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

The two-step process by which contracting parties form a binding agreement: one party proposes terms, and the other unconditionally assents to them.

The UN agency mandated to protect and support refugees, stateless persons, and displaced populations worldwide.

Optional clause declarations are unilateral commitments by states accepting the jurisdiction of the [International Court of Justice](https://modeldiplomat.com/learn/glossary/international-court-of-justice) as compulsory in legal disputes.

Additional treaties linked to a main human rights treaty that expand rights or establish complaint mechanisms.

The authority of a court to hear a case for the first time, as opposed to reviewing a lower court's decision on appeal.

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

A common-law doctrine empowering the state to act as legal guardian for persons or interests unable to protect themselves, such as minors or incapacitated individuals.

A Latin legal phrase meaning "on equal footing," requiring that creditors or claimants be treated equally without preference among themselves.

A contract law doctrine barring use of prior or contemporaneous oral or written statements to contradict the terms of a fully integrated written agreement.

A legal principle restricting the use of extrinsic evidence to interpret or modify the terms of a written treaty or contract.

A U.S. constitutional interpretation theory holding that implied rights exist in the "penumbras" cast by explicit guarantees in the Bill of Rights.

An unsigned judicial opinion issued collectively "by the court," without attribution to a specific authoring judge.

A method of distributing an estate so that each branch of a family receives an equal share, with a deceased beneficiary's share passing to their descendants.

A litigant's right to reject a prospective juror during jury selection without stating a reason, subject to constitutional limits on discriminatory use.

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

Fundamental principles of international law from which no derogation is permitted and which bind all states universally.

The criminal offense of knowingly making a false statement under oath or affirmation in a judicial or other official proceeding.

An intergovernmental organization providing a forum for resolving international disputes through arbitration and other peaceful means.

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

A state that consistently objects to an emerging [Customary International Law](https://modeldiplomat.com/learn/glossary/customary-international-law) norm and thus is not bound by it once established.

A state consistently opposing an emerging [Customary International Law](https://modeldiplomat.com/learn/glossary/customary-international-law) norm may exempt itself from being bound by that norm.

A court's legal authority to make binding decisions over a particular defendant based on that party's connections to the forum.

A legal doctrine allowing courts to disregard a company's separate legal personality and hold its shareholders or parent firm personally liable for its debts or wrongs.

A negotiated agreement in which a criminal defendant pleads guilty, usually to a lesser charge or for a lighter sentence, in exchange for concessions from the prosecution.

The inherent authority of a state to regulate conduct and property to protect public health, safety, morals, and welfare without owing compensation.

A U.S. legal doctrine, codified in 1878, that generally prohibits the federal military from being used to enforce domestic civilian law.

A doctrine of international law under which territory, property, or persons returning from enemy control are restored to their prior legal status.

A pretrial court proceeding where a judge decides whether enough evidence exists to require a defendant to stand trial on the charges filed.

A standard of proof requiring that a claim is more likely true than not—often described as greater than 50% probability—used mainly in civil litigation.

The legal principle that a person accused of a crime is considered innocent until proven guilty according to law, with the burden of proof on the prosecution.

A claim supported by enough evidence "on its face" to proceed or prevail unless rebutted by the opposing party.

The ICC jurisdiction principle that allows it to prosecute only when national courts are unwilling or unable to do so.

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

A fundamental rule requiring equal treatment of persons or entities without unjustified distinctions in law or policy. It underpins many human rights and trade agreements.

The rule prohibiting states from intervening in the internal or external affairs of other states in a manner violating [Sovereignty](https://modeldiplomat.com/learn/glossary/sovereignty).

The obligation not to return refugees or [Asylum](https://modeldiplomat.com/learn/glossary/asylum) seekers to a country where they face serious harm or persecution.

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 body of rules that determines which jurisdiction's courts and laws apply to private legal disputes involving a foreign element.

A common-law doctrine holding that only parties to a contract can sue or be sued on it, excluding third parties from enforcing its terms.

A reasonable basis, grounded in articulable facts, for believing a crime has been committed or that evidence of one is in a specific place.

The court-supervised legal process of validating a deceased person's will, settling debts, and distributing remaining assets to heirs or beneficiaries.

A constitutional doctrine requiring the government to follow fair procedures—such as notice and a hearing—before depriving a person of life, liberty, or property.

The legal responsibility of manufacturers, distributors, and sellers for injuries or damages caused by defective or unreasonably dangerous products.

Weapons banned under international law due to their indiscriminate effects or unnecessary suffering, such as chemical and biological weapons.

A legal doctrine that enforces a promise, even without a formal contract, when one party reasonably relied on it to their detriment.

The principle that military actions must avoid excessive force in relation to the anticipated military advantage.

A legal principle requiring that measures taken in [Armed Conflict](https://modeldiplomat.com/learn/glossary/armed-conflict) or law enforcement are necessary and not excessive relative to the desired objective.

The proportionality test assesses whether a limitation on a human right is suitable, necessary, and balanced against the legitimate aim pursued.

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

Temporary orders issued by international courts to preserve rights or prevent harm pending final judgment.

Urgent orders issued by international courts to prevent irreparable harm before a final decision is made. They aim to preserve rights and prevent escalation during disputes.

A legal doctrine limiting liability to harms sufficiently connected to a defendant's act, excluding consequences deemed too remote or unforeseeable.

A government-funded lawyer appointed to represent criminal defendants who cannot afford private counsel, ensuring the right to legal representation.

A legal principle holding that the state holds certain natural resources—typically navigable waters, shorelines, and tidelands—in trust for the public.

Monetary awards beyond compensation, imposed to punish a defendant for egregious misconduct and deter similar future behavior.

A U.S. legal doctrine shielding government officials from civil suits unless they violated a "clearly established" statutory or constitutional right.

Qualified majority voting is a decision-making process requiring a specified threshold of weighted votes, often used in international organizations to adopt binding measures.

A legal doctrine allowing a party to recover the reasonable value of services rendered when no enforceable contract fixes the price.

A legal obligation imposed by courts, in the absence of a real agreement, to prevent one party from being unjustly enriched at another's expense.

A civil lawsuit asking a court to declare the plaintiff's ownership of real property valid and to extinguish any competing claims, liens, or clouds on the title.

A legal proceeding that challenges a person's right to hold a public office, franchise, or corporate privilege by demanding they show the authority for it.

The legal reasoning or principle essential to a court's decision, which forms the binding precedent for future cases.

The standard of proof in criminal trials requiring the prosecution to prove guilt to a degree that leaves no reasonable uncertainty in a juror's mind.

A legal test that judges conduct by what a hypothetical ordinarily prudent person would have done in the same circumstances.

Recidivism is the tendency of a previously convicted offender to reoffend, usually measured by re-arrest, reconviction, or re-incarceration within a set follow-up period.

The withdrawal of a judge, arbitrator, or official from a case due to a conflict of interest, bias, or appearance of impropriety.

The forcible return of refugees or [Asylum](https://modeldiplomat.com/learn/glossary/asylum) seekers to a country where they face serious threats to life or freedom, prohibited under international law.

A higher court's order sending a case back to a lower court or tribunal for further proceedings consistent with the higher court's ruling.

A court procedure in which a judge reduces a jury's damages award, often conditioned on the plaintiff's acceptance to avoid a new trial.

A civil legal action to recover specific personal property wrongfully taken or withheld, returning the goods themselves rather than awarding monetary damages.

A Latin term meaning "things done"; in law, statements or acts so closely tied to an event that they are admitted as evidence despite hearsay rules.

A common-law evidentiary doctrine, Latin for "the thing speaks for itself," allowing negligence to be inferred from the mere occurrence of certain accidents.

A legal doctrine holding that a matter finally decided by a competent court cannot be relitigated between the same parties on the same cause of action.

The legal unwinding of a contract, treaty, or appropriation, returning the parties to the position they held before the instrument took effect.

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.

A common-law doctrine holding an employer or principal liable for wrongful acts committed by an employee or agent within the scope of employment.

An appellate disposition that overturns a lower court's decision and sends the case back for further proceedings consistent with the appellate ruling.

The right to an effective remedy guarantees individuals access to legal recourse and justice when their human rights are violated.

The entitlement of individuals to seek protection in another state when facing persecution or serious harm in their home country.

The legal entitlement of a person accused of a crime to be represented by a lawyer, including state-appointed counsel if they cannot afford one.

A collective human right recognizing peoples' entitlement to participate in, contribute to, and enjoy economic, social, cultural, and political development.

The right protecting individuals against unlawful surveillance and data interception in electronic communications.

A common-law property rule that voids future interests in property unless they must vest, if at all, within 21 years after a life in being at the interest's creation.

A UN Security Council body responsible for overseeing the implementation of [Sanctions Regimes](https://modeldiplomat.com/learn/glossary/sanctions-regimes) against states or entities.

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

An international organization established to regulate mineral-related activities in the international seabed area beyond national jurisdiction.

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.

The act of exposing oneself to criminal prosecution through one's own statements or testimony, against which many legal systems guarantee a protective right.

Structured rules or recommended ranges that guide judges in deciding criminal punishments based on offense severity and offender history.

The formal procedure by which a party to a legal action gives notice of the proceedings to another party through delivery of court documents.

A binding contract in which parties to a dispute agree to resolve their claims on specified terms, usually ending or preventing litigation or arbitration.

An 1890 U.S. federal statute that prohibits monopolization and contracts, combinations, or conspiracies in restraint of interstate or foreign trade.

A brief discussion between the judge and counsel held out of the jury's hearing during a trial, typically to resolve evidentiary or procedural disputes.

A U.S. doctrine for assessing personal jurisdiction over internet-based defendants by ranking website activity from passive to actively interactive.

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.

Sovereign debt restructuring is the process by which a state renegotiates its debt obligations to improve repayment terms and financial stability.

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

A designated area within a state with distinct economic regulations to attract foreign investment and trade.

An independent expert appointed by the UN to investigate, monitor, and report on human rights issues or thematic mandates.

A [Special Rapporteur](https://modeldiplomat.com/learn/glossary/special-rapporteur) mandate authorizes an independent expert to investigate, monitor, and report on specific human rights issues or country situations.

An equitable court remedy ordering a breaching party to actually perform the contract as promised, rather than merely paying monetary damages.

The legal doctrine that courts should follow precedent set by prior decisions when ruling on cases with similar facts or legal issues.

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](https://modeldiplomat.com/learn/glossary/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.

[Statelessness](https://modeldiplomat.com/learn/glossary/statelessness) determination procedures are legal processes used to identify individuals who lack nationality under any state's laws.

A legal doctrine requiring certain categories of contracts to be evidenced in writing and signed by the party to be charged in order to be enforceable.

A statute of limitations is a law that sets the maximum time after an event within which legal proceedings may be initiated.

A legal standard that imposes responsibility for harm without requiring proof of intent, negligence, or fault on the part of the defendant.

The most demanding standard of U.S. judicial review, requiring a law to be narrowly tailored to serve a compelling government interest.

A court- or legislature-issued writ compelling a named person to appear and give oral testimony under oath at a specified time and place.

A court or legislative order compelling a person to produce specified documents, records, or physical evidence at a designated time and place.

A U.S. constitutional doctrine holding that the Due Process Clauses protect certain fundamental rights from government interference, regardless of procedure.

Substantive jurisdiction is the authority of a court or tribunal to hear and decide cases concerning specific subject matters or legal issues.

A pretrial ruling that decides a case or claim without trial when there is no genuine dispute of material fact and one party is entitled to judgment as a matter of law.

Statutes requiring government meetings and records to be open to the public, designed to promote transparency and accountability in official decision-making.

A provision in Article VI of the U.S. Constitution making federal law, treaties, and the Constitution itself the supreme law of the land over conflicting state law.

A court-imposed criminal sentence whose execution is postponed or withheld, often conditional on the offender meeting specified requirements during a probationary period.

The final clause of the U.S. Fifth Amendment, which prohibits the government from taking private property for public use without just compensation.

The principle that international borders of a state should not be violated or altered without consent, protecting [State Sovereignty](https://modeldiplomat.com/learn/glossary/state-sovereignty).

A belt of coastal waters extending up to 12 nautical miles from the baseline, over which a state has [Sovereignty](https://modeldiplomat.com/learn/glossary/sovereignty).

The low-water line along the coast from which the breadth of the [Territorial Sea](https://modeldiplomat.com/learn/glossary/territorial-sea) is measured.

Lines from which the breadth of the [Territorial Sea](https://modeldiplomat.com/learn/glossary/territorial-sea) is measured according to international law of the sea.

A belt of coastal waters extending up to 12 nautical miles from a state's baseline, subject to its [Sovereignty](https://modeldiplomat.com/learn/glossary/sovereignty) under international law.

The involvement of an external state or organization in an ongoing dispute or conflict between other states with consent or without.

Legislative or judicial changes that limit civil liability claims, often by capping damages, restricting attorney fees, or tightening rules for filing lawsuits.

A tortfeasor is a person or entity that commits a tort—a civil wrong causing harm or loss—for which the injured party may seek damages.

A common-law tort in which a third party wrongfully disrupts another's contract or business relationship, causing economic harm.

A committee of independent experts monitoring implementation of core international human rights treaties by states parties.

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](https://modeldiplomat.com/learn/glossary/law-of-treaties).

An agreement by which a state becomes a party to an existing treaty, accepting all its rights and obligations.

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.

[Treaty Reservations](https://modeldiplomat.com/learn/glossary/treaty-reservations) are unilateral statements modifying treaty obligations, while objections are responses by other states rejecting such reservations.

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

Treaty termination clauses specify the conditions and procedures under which a treaty may be ended or withdrawn from by the parties.

A statutory remedy, mainly in U.S. law, that triples a plaintiff's actual damages to punish wrongdoing and incentivize private enforcement.

A common-law tort involving intentional interference with another person's lawful possession of personal property, causing dispossession, damage, or loss of use.

The person or body in a legal proceeding responsible for determining factual questions, typically a jury or, in bench trials, the judge.

A legal principle holding that acts taken by a body beyond the powers granted to it by its constituting instrument are invalid and unenforceable.

A contract law doctrine allowing courts to refuse to enforce agreements or terms so unfair or oppressive that they shock the conscience.

An equitable doctrine that voids a transaction or will where one party exploited a relationship of trust or dominance to override another's free will.

A [Treaty Body](https://modeldiplomat.com/learn/glossary/treaty-body) monitoring implementation of the International Covenant on Civil and Political Rights by its state parties.

A foundational UN document adopted in 1948 outlining fundamental human rights standards globally.

Allows states to prosecute certain serious international crimes regardless of where they occurred or the nationality of perpetrators or victims.

A mechanism of the [UN Human Rights Council](https://modeldiplomat.com/learn/glossary/un-human-rights-council) that reviews the human rights records of all UN member states every few years.

A legal principle requiring a party who has been unfairly benefited at another's expense to restore that benefit, typically through restitution.

A constitutional rule that voids laws so unclear that ordinary people cannot know what is prohibited or that invite arbitrary enforcement.

The geographic location or specific court where a legal case is heard, distinct from jurisdiction, which concerns a court's authority to decide a matter.

Vessel flag state responsibilities include enforcing laws and safety regulations on ships registered under their jurisdiction on the high seas.

A legal doctrine holding one party responsible for the wrongful acts of another based on their relationship, most commonly employer for employee.

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

A contract that is valid and enforceable until one party with a legal defect in consent chooses to rescind or affirm it.

A preliminary judicial inquiry used to assess the qualifications of prospective jurors, witnesses, or the admissibility of evidence before it reaches the main trial.

The process by which refugees return to their home country voluntarily and in safety, often facilitated by international organizations.

Serious violations of the laws and customs applicable in [Armed Conflict](https://modeldiplomat.com/learn/glossary/armed-conflict), including targeting civilians and mistreatment of prisoners.

[War Crimes](https://modeldiplomat.com/learn/glossary/war-crimes) jurisdiction is the legal authority to prosecute individuals accused of serious violations of international humanitarian law during armed conflicts.

A court established to prosecute individuals accused of serious violations of international humanitarian law during armed conflicts. It may be ad hoc or permanent.

An implied legal promise by residential landlords that rented premises are fit to live in and will be maintained in safe, sanitary condition throughout the tenancy.

A legal qualifier indicating that a statement, offer, or action does not waive rights, admit liability, or bind the party in future proceedings.

A court order directing an officer, usually a sheriff or marshal, to enforce a judgment by seizing the losing party's property or assets.

A court order compelling a government official, lower court, or public body to perform a mandatory duty they are legally required to carry out.

A civil cause of action brought by survivors or an estate against a party whose negligent or intentional act caused a person's death.

The WTO Dispute Settlement Understanding is the agreement outlining procedures for resolving trade disputes among [World Trade Organization](https://modeldiplomat.com/learn/glossary/world-trade-organization) members.

Zero tolerance policy in international humanitarian law mandates strict prohibition and punishment of grave breaches such as torture or targeting civilians.

A region designated by treaty or agreement where states commit to peace, non-[Aggression](https://modeldiplomat.com/learn/glossary/aggression), and neutrality obligations.

An administrative exception allowing a landowner to deviate from a zoning ordinance's requirements upon showing unnecessary hardship unique to the property.