INR4403: International Law

Course Description

INR4403 International Law is the study of the legal rules that govern relations between states — where they come from, how they are applied, and the standing question of what it means to have law without a legislature, a police force or compulsory courts.

The course is offered at approximately four Florida institutions, including Florida A&M University, the University of South Florida and the University of West Florida.

The University of West Florida places it in the College of Arts, Social Sciences and Humanities, Department of Government at 3 semester hours, covering the "nature, history and trends of legal controls on international behavior" and the "conflict between theory and practice," with "cases used to illustrate various points of law."

⚠ Note where this course sits: in a department of government, not a law school. It is an undergraduate political science course about international law, taught to people who will mostly not become lawyers. That shapes it: the emphasis is on how law functions as an instrument and constraint in international politics, alongside the doctrine.

The organising problem is stated in UWF's description — the conflict between theory and practice — and it is the right place to start. International law lacks the features domestic law has: no legislature that can bind states without their consent, no police force, and no court with compulsory jurisdiction over states that have not accepted it. From which the sceptic concludes it is not really law. ⚠ The empirical answer is more interesting than either the sceptical or the idealistic position: states comply with international law most of the time, on most subjects, including when it is inconvenient — because reciprocity, reputation and the sheer practical value of predictable rules make compliance worthwhile. The interesting cases are the exceptions, and explaining them is what the course does.

Sources of law is the doctrinal foundation, and it is more consequential than it sounds. Article 38 of the ICJ Statute lists treaties, customary international law, and general principles, with judicial decisions and scholarly writing as subsidiary means. ⚠ Custom is the conceptually difficult one: it requires consistent state practice plus opinio juris — a belief that the practice is legally required rather than merely habitual — and identifying when a practice has crossed into obligation is genuinely contested, which is why arguments about customary law are arguments about evidence.

The subject areas the course covers are the ones states actually litigate and argue about: statehood and recognition; jurisdiction and immunity; the law of treaties; state responsibility; the use of force under the UN Charter — Article 2(4)'s prohibition and its exceptions in self-defence and Security Council authorisation; international humanitarian law, the law governing conduct in armed conflict; human rights law; international criminal law and individual responsibility; and increasingly the law of the sea, international environmental law and trade and investment law.

⚠ The use-of-force material is where the theory-practice gap is widest and the course is most valuable. The Charter framework is narrow on paper: force is prohibited except in self-defence against an armed attack, or when the Security Council authorises it. State practice since 1945 includes a great many uses of force that fit neither exception comfortably, accompanied by legal arguments stretching the categories — anticipatory self-defence, humanitarian intervention, the responsibility to protect, consent of the territorial state. Whether these represent the law developing or the law being ignored is exactly the argument, and a good course does not resolve it for you.

The law of the sea has direct Florida relevance and is worth flagging: territorial seas, the exclusive economic zone, continental shelf rights, innocent passage and freedom of navigation. ⚠ The South China Sea disputes, the Arctic, and maritime boundary questions in the Gulf and Caribbean all run on this body of law, and the United States' non-ratification of UNCLOS while treating most of it as customary law is itself a useful teaching case.

Learning Outcomes

Required Outcomes

• Explain what international law is, how it differs from domestic law, and evaluate the argument that it is not properly law.
• Explain the historical development of international law from Westphalia through the League and the UN Charter era to the present.
• Identify and apply the sources of international law under Article 38 — treaties, custom, general principles, and subsidiary means.
• Explain customary international law — state practice and opinio juris — and assess whether a claimed rule has attained customary status.
• Explain jus cogens (peremptory norms) and obligations erga omnes.
• Apply the law of treaties — formation, reservations, interpretation, breach, termination — with reference to the Vienna Convention.
• Explain the criteria for statehood and the legal effect of recognition.
• Explain jurisdiction — territorial, nationality, protective, passive personality and universal — and the limits on extraterritorial assertion.
• Explain sovereign and diplomatic immunity and the restrictive theory of state immunity.
• Explain state responsibility — attribution, breach, circumstances precluding wrongfulness, countermeasures, reparation.
• Explain the prohibition on the use of force and its exceptions, and analyse contested justifications against them.
• Explain international humanitarian law — distinction, proportionality, necessity, the Geneva Conventions, combatant status and protected persons.
• Explain the international human rights framework — the principal treaties, the treaty bodies, and the enforcement problem.
• Explain international criminal law — genocide, crimes against humanity, war crimes, aggression — and the jurisdiction and limits of the ICC.
• Explain the institutional landscape — the ICJ, the ICC, the Security Council, regional courts and arbitral tribunals — and their jurisdictional bases.
• Explain the relationship between international and domestic law — monism and dualism, self-executing treaties, the US treaty power and the role of the Supreme Court.
• Analyse compliance and enforcement — why states comply, and what mechanisms exist when they do not.
• Read and brief a case, extract the holding and the reasoning, and apply it to new facts.
• Construct a legal argument for a state's position, and the strongest counter-argument.

Optional Outcomes

• Explain the law of the sea — baselines, territorial sea, EEZ, continental shelf, high seas, navigation rights.
• Explain international environmental law — principles, the climate regime, transboundary harm.
• Explain international trade and investment law — the WTO, dispute settlement, bilateral investment treaties, investor-state arbitration.
• Explain international refugee and migration law — the Refugee Convention, non-refoulement, asylum.
• Explain air, space and cyber as legal domains.
• Explain international arbitration and alternative dispute resolution between states.
• Explain self-determination and secession.
• Explain terrorism in international law and the definitional problem.
• Explain sanctions — Security Council and unilateral — and their legal basis.
• Analyse third-world approaches to international law (TWAIL) and other critical perspectives on the field's origins.

Major Topics

Required Topics

• The nature of international law and the "is it law?" debate.
• Historical development — Westphalia to the Charter era.
• Sources — treaties, custom, general principles; jus cogens.
• The law of treaties — the Vienna Convention.
• Subjects of international law — states, organisations, individuals; statehood and recognition.
• Jurisdiction and immunity.
• State responsibility and countermeasures.
• Use of force — Article 2(4), self-defence, Security Council authorisation, contested justifications.
• International humanitarian law.
• Human rights law and its enforcement.
• International criminal law and the ICC.
• Courts and tribunals — the ICJ and others; jurisdiction and consent.
• International law in domestic legal systems.
• Compliance and enforcement.
• Case reading and legal argument.

Optional Topics

• Law of the sea.
• International environmental law and the climate regime.
• Trade and investment law.
• Refugee and migration law.
• Air, space and cyber law.
• Arbitration and dispute settlement.
• Self-determination and secession.
• Terrorism and international law.
• Sanctions.
• Critical approaches — TWAIL, feminist approaches, the colonial origins of the field.

Resources & Tools

• Textbooks used at undergraduate level: Slomanson, Fundamental Perspectives on International Law; Shaw, International Law (Cambridge) — the standard reference, comprehensive and demanding; Klabbers, International Law; Murphy, Principles of International Law. ⚠ Casebooks such as Damrosch and Murphy, International Law: Cases and Materials, appear where the course is taught by the case method.
• Free primary sources, and this is a field where the primary materials are entirely public: the UN Charter and the Statute of the ICJ; the United Nations Treaty Collection, which holds the texts, parties and reservations for every registered treaty; the International Court of Justice site, with the full text of judgments and advisory opinions; the International Criminal Court site; the International Law Commission's draft articles and commentaries — ⚠ the Articles on State Responsibility are the standard reference and are free and readable; and the ICRC, whose customary IHL database and Geneva Conventions commentaries are the authority on humanitarian law.
• Case reading: the major ICJ decisions are freely available and are the course's core material — Nicaragua, Corfu Channel, North Sea Continental Shelf, Barcelona Traction, the Nuclear Weapons and Wall advisory opinions. ⚠ They are long; read the summaries the Court publishes first, then the relevant sections in full.
• Commentary and analysis: EJIL: Talk! (European Journal of International Law blog), Opinio Juris, Just Security and Lawfare — all free, all written by specialists, and all excellent for seeing how live disputes are argued in real time.
• Journals: the American Journal of International Law, the European Journal of International Law, the Leiden Journal of International Law.
• Professional bodies: the American Society of International Law — ⚠ its Insights series explains current disputes at exactly undergraduate level, free, and student membership is inexpensive.
• ⚠ Florida relevance: Miami is a centre for international arbitration and for Latin American commercial and investment disputes, with several institutions and firms building practices around it; and the state's maritime position makes law of the sea, and immigration and refugee questions, locally live rather than abstract.

Career Pathways

⚠ An honest framing: "international lawyer" as a career is smaller and more competitive than students imagine, and most of it requires a law degree plus specialisation. The course's value for most students is analytical rather than vocational — but the analytical value is real, and there are more routes than the obvious one.

• Law (SOC 23-1011) — ⚠ the primary route. A JD is required to practise, and international law specialisation normally comes through it or through an LLM. Florida law schools include UF Levin, FSU, FIU, Stetson, Miami and FAMU; Miami in particular has substantial international and arbitration programmes.
• Foreign Service and diplomacy (SOC 19-3094) — the State Department, including the Office of the Legal Adviser for lawyers.
• International organisations — the UN system, regional organisations, the ICRC and other humanitarian bodies. ⚠ Entry is competitive and normally requires a graduate degree plus languages; the UN's Young Professionals Programme is the standard early route.
• Federal government legal and policy work (SOC 19-3094, 23-1011) — State, Defense, Justice, Commerce, and the intelligence community; ⚠ export controls and sanctions is a growing and well-paid specialism.
• International trade and customs compliance (SOC 13-1041) — ⚠ does not require a law degree and is a genuine and under-publicised destination, particularly in Miami given its trade volume.
• Human rights and humanitarian organisations (SOC 11-9151, 21-1099) — advocacy, documentation, monitoring.
• International arbitration support (SOC 23-2011) — paralegal and case management roles in Miami's arbitration practices.
• Corporate compliance (SOC 13-1041) — anti-corruption (FCPA), sanctions screening, supply chain due diligence. ⚠ A large and growing employer of non-lawyers.
• Journalism and policy analysis (SOC 27-3023, 19-3094).
• Academia (SOC 25-1066, 25-1112) — requires a doctorate or a JD/PhD.

⚠ For any of these, languages matter substantially more than in most fields, and the UN working languages plus regional languages are the differentiators.

Special Information

Title and articulation

The statewide title is International Law, matching UWF, and the number is INR4403 at all institutions carrying it. No divergence was found in this batch's sourcing; articulation is clean.

⚠ The variation to check is coverage rather than subject. International law is a very large field and no one-semester undergraduate course covers all of it. Some sections weight public international law and the use of force; others give substantial time to human rights and international criminal law; others emphasise the law of the sea, trade or environment. If you need a particular area — for a graduate application, a thesis, or a career interest — read the syllabus rather than the title.

⚠ This is a political science course, not a law school course — and the difference matters

UWF places it in the Department of Government, and that is typical. The consequences are worth understanding:

• It does not qualify you to practise anything, and it is not a substitute for law school. ⚠ It is, however, well-regarded preparation, and students who take it before law school arrive with a genuine advantage in an international law course there.
• The analytical frame is political as well as doctrinal. The course asks not only what the rule is but why states made it, why they comply, and what happens when they do not — questions a doctrinal course brackets.
• Case reading is taught but at undergraduate depth. You will learn to brief a case and extract a holding; you will not be doing the sustained doctrinal analysis of a law school course, and you should not expect Socratic method.

Prerequisites and position in the curriculum

UWF lists no prerequisite, which is common for upper-division political science electives.

⚠ "No prerequisite" is not "no useful preparation." An introduction to international relations is genuinely useful because the course's central question — why states comply with rules they cannot be forced to obey — is an IR question, and the theoretical frameworks are assumed rather than introduced. American government helps with the treaty power and domestic-incorporation material. ⚠ A logic or argumentation course pays off unusually well here, because legal reasoning is argument reconstruction applied to authoritative texts.

The course is a 4000-level upper-division elective, normally junior or senior year, and a frequent elective for political science, international studies, history, criminal justice and — particularly — pre-law students, for whom it is one of the better available previews of whether legal reasoning suits them.

Course format and workload

3 credits, 45 contact hours — lecture and discussion, three hours per week, with case discussion.

Expect 6–9 hours per week outside class. ⚠ The reading is slower than its length suggests. Treaty text and judicial opinions are written in a precise, dense register in which single words carry weight, and students used to reading textbooks for gist find that approach fails immediately. Read for the operative language, not for the gist.

Assessment typically includes examinations, case briefs, a research paper, and often a simulation — a moot court, an ICJ or Security Council exercise, or a negotiation. ⚠ If a simulation is offered, take it seriously: arguing a position you did not choose, from the sources, is the closest an undergraduate course comes to what the practice actually is.

⚠ What students find hardest

• Custom. That a rule can become binding through practice plus belief, with no text and no vote, is conceptually unfamiliar and is genuinely contested at the edges. It rewards working through actual examples rather than the definition.
• Consent-based jurisdiction. That a court can exist and still lack authority over a dispute unless states have accepted it is counter-intuitive to anyone reasoning from domestic courts.
• Holding both the doctrine and the politics. Students tend to collapse into either "the rules are what matter" or "power is what matters." ⚠ The discipline is holding both — the law is a real constraint and an instrument of power simultaneously, and the interesting analysis lives in that tension.
• Reading judicial opinions. Long, structured unfamiliarly, and full of terms of art. Use the ICJ's own case summaries as scaffolding before the full text.

⚠ Politically contested material

This course covers live disputes on which states, scholars and students disagree sharply — the legality of particular uses of force, the ICC's jurisdiction and the position of non-party states, the conduct of specific armed conflicts, and the United States' own relationship to several treaty regimes.

• The classroom standard is legal argument, not political preference. The question is what the sources support and how strong the argument is — which frequently produces conclusions students of every political orientation find unwelcome.
• You will be asked to argue positions you do not hold. That is the core skill of legal reasoning and is assessed as one.
• ⚠ Some material concerns ongoing conflicts in which students may have personal or family connections. No student is expected to speak for a country or a community, and instructors should prevent that dynamic. If specific material is difficult, raising it privately is reasonable and normal; your institution's counselling centre is confidential and normally covered by fees already paid.

Articulation and transfer

INR4403 is a 4000-level upper-division course, not offered at Florida College System institutions, and taken after transfer. The number is used consistently, so SCNS articulation is clean.

⚠ Prefix note. INR is international relations; POS political science; CPO comparative politics; PUP public policy; PLA paralegal studies. Related numbers: INR4334 (national security policy — ⚠ a natural companion, and the use-of-force material overlaps), INR4102 (American foreign policy), and various numbers for international organisations and human rights. ⚠ PLA-prefix courses are paralegal training and are a different thing entirely — do not treat them as substitutes.

⚠ Pre-law note: law schools do not require or prefer any particular major, and there is no "pre-law" course that helps admission. What helps is a high GPA and a high LSAT, and what this course genuinely offers is a realistic preview of whether close textual reasoning appeals to you — which is worth more than it sounds, given the cost of finding out later.

AI Integration

AI is relevant here both as an emerging subject of international law and as a research tool with specific failure modes.

As subject matter — and a current course will touch several of these:

• Autonomous weapons systems. ⚠ The most developed AI question in international law, and it engages the course's humanitarian law material directly: can a system satisfy the requirements of distinction and proportionality, and who bears responsibility for an unlawful engagement? Discussions at the UN Convention on Certain Conventional Weapons have run for years without agreement.
• Cyber operations. Whether and when a cyber operation constitutes a use of force or an armed attack; the attribution problem; and the Tallinn Manual process, which is a genuinely interesting example of how expert consensus attempts to fill a gap in the sources.
• Surveillance and privacy across borders, and the extraterritorial application of human rights obligations.
• Data governance and trade law — cross-border data flows are now a trade-agreement subject.
• Regulatory divergence. The EU's AI Act and other national frameworks raise classic questions of jurisdiction and extraterritorial effect that this course's jurisdiction material addresses directly.

Using AI tools for coursework. Models are useful for explaining a doctrine, for orienting yourself in an unfamiliar area, and for generating the opposing argument — directly useful, since legal argument requires anticipating the other side.

⚠⚠ Where they fail, and in this field the failure is severe and well documented. Models fabricate cases, citations, treaty provisions and article numbers — confidently, in correct citation format, and in language indistinguishable from real authority. ⚠ This is not a theoretical risk in law: lawyers in several jurisdictions have been sanctioned by courts for filing briefs citing non-existent cases produced by AI tools. The practice has generated judicial standing orders and disciplinary referrals.

The professional standard, which is also the academic one: verify every authority in the primary source. The ICJ publishes its judgments, the UN publishes treaty texts and party lists, the ILC publishes its articles and commentaries. All of it is free, and there is no excuse for an unverified citation.

Models are also unreliable on the current status of treaties — who has ratified, what reservations are in force, whether an instrument has entered into force — which changes and is authoritatively recorded in the UN Treaty Collection.

Academic integrity. Read the syllabus. Submitting generated prose as your own violates every Florida institution's policy. ⚠ For students heading to law school this deserves particular weight: bar admission requires a character and fitness determination, academic integrity findings are disclosable and are asked about directly, and the profession treats candour about past conduct as more important than the conduct itself. The habit of verifying every citation is one you will be professionally required to have; forming it now costs nothing.