Whether the UK courts could issue habeas corpus to the British government requiring it to seek the return of a detainee held by a foreign state.
Held
Habeas corpus could not issue because the detainee was not within the control of the UK; but the UK had breached a duty under international humanitarian law by transferring without adequate assurances.
Exam use
In an exam, introduce Rahmatullah v. Secretary of State for Foreign and Commonwealth Affairs (No 2) with the citation only if you can remember it accurately; otherwise use the case name and court, then focus on the rule and application. A strong answer should say what Rahmatullah v. Secretary of State for Foreign and Commonwealth Affairs (No 2) decided, why the facts mattered, and how the authority helps resolve the new facts. Avoid treating the case as a decorative reference. Use it to prove a doctrinal step in Habeas corpus; extraterritorial application; diplomatic assurances, then move quickly to analysis.
Summary
Rahmatullah v. Secretary of State for Foreign and Commonwealth Affairs (No 2) is included in the Transnational Law case database because it gives students a concrete authority for Habeas corpus; extraterritorial application; diplomatic assurances. The reported citation is [2012] UKSC 48, and the decision is associated with Supreme Court of the United Kingdom. In revision, treat the case as a way to connect the legal issue to a real dispute rather than as an abstract rule. The key exam move is to state the holding, identify the fact pattern that made the rule matter, and then decide whether a new problem question should apply, distinguish, or limit the authority.
Facts
The material factual signal for Rahmatullah v. Secretary of State for Foreign and Commonwealth Affairs (No 2) is: A Pakistani national captured by UK forces in Iraq and transferred to U.S. custody in Afghanistan sought habeas corpus to compel the UK to request his return from the U.S. Students should read the linked source and turn that signal into a short fact table: parties, transaction or public-law setting, procedural posture, conduct in dispute, and the fact the court treated as decisive. This prevents vague case-dropping. In an answer on Transnational Law, use the facts to explain why Habeas corpus; extraterritorial application; diplomatic assurances was live, then compare the problem facts against the facts in the case before stating any conclusion.
Procedural History
Rahmatullah v. Secretary of State for Foreign and Commonwealth Affairs (No 2) is reported as a decision of Supreme Court of the United Kingdom. The procedural route should be checked against the linked source before formal citation. For study notes, record whether the decision was an appeal, judicial review, trial judgment, tribunal ruling, or constitutional/application proceeding, because that posture affects how confidently the rule can be used.
Issue
Whether the UK courts could issue habeas corpus to the British government requiring it to seek the return of a detainee held by a foreign state.
Held
Habeas corpus could not issue because the detainee was not within the control of the UK; but the UK had breached a duty under international humanitarian law by transferring without adequate assurances.
Ratio Decidendi
The writ of habeas corpus runs only where the respondent has effective control over the person; a state may nonetheless be liable for breaching international obligations regarding transfers to custody where there is a real risk of ill-treatment.
Obiter Dicta
Check the linked source for concurring, dissenting, or obiter observations before quoting this case. If the case includes non-binding reasoning, use it as persuasive support rather than as the core rule.
Reasoning
For reasoning, start with the ratio: The writ of habeas corpus runs only where the respondent has effective control over the person; a state may nonetheless be liable for breaching international obligations regarding transfers to custody where there is a real risk of ill-treatment. Then read the source and separate three things: the legal test, the facts used to apply that test, and any policy or institutional reason the court gave. This structure makes Rahmatullah v. Secretary of State for Foreign and Commonwealth Affairs (No 2) easier to use in essays and problem questions. In Transnational Law, the case should be compared with related authorities on Habeas corpus; extraterritorial application; diplomatic assurances; if the jurisdiction, statute, or procedural posture differs from the exam problem, explain that limit explicitly instead of treating the authority as automatic.
Plain-English Explanation
Plainly, Rahmatullah v. Secretary of State for Foreign and Commonwealth Affairs (No 2) is a case to use when a Transnational Law answer needs an authority on Habeas corpus; extraterritorial application; diplomatic assurances. Do not just list it. Explain the problem the court had to solve, the rule or holding it used, and the fact that made the result persuasive. That turns the case from a memorised name into evidence for your legal analysis.
Essay-Ready Explanation Generator
Version 1 of 4
Reference to Rahmatullah v. Secretary of State for Foreign and Commonwealth Affairs (No 2) ([2012] UKSC 48) strengthens a Transnational Law answer because the case reflects the principle that The writ of habeas corpus runs only where the respondent has effective control over the person; a state may nonetheless be liable for breaching international obligations regarding transfers to custody where there is a real risk of ill-treatment. Applied to a problem question, the case should be used after identifying the issue as Whether the UK courts could issue habeas corpus to the British government requiring it to seek the return of a detainee held by a foreign state. The stronger essay move is to connect the material facts to the court's holding, then explain whether the present facts support the same conclusion or justify distinguishing the authority.
Verify exact wording in the linked source before quoting.
Significance
Rahmatullah v. Secretary of State for Foreign and Commonwealth Affairs (No 2) is significant for LawConquer users because it supplies a named authority for Habeas corpus; extraterritorial application; diplomatic assurances in Transnational Law. The case can anchor a paragraph, support a rule statement, or provide a contrast point when another authority points the other way. Its practical value is strongest when the student links the holding to the material facts and then explains whether the present problem is analogous or distinguishable.
Related Cases
No related cases listed.
Exam Tips
In an exam, introduce Rahmatullah v. Secretary of State for Foreign and Commonwealth Affairs (No 2) with the citation only if you can remember it accurately; otherwise use the case name and court, then focus on the rule and application. A strong answer should say what Rahmatullah v. Secretary of State for Foreign and Commonwealth Affairs (No 2) decided, why the facts mattered, and how the authority helps resolve the new facts. Avoid treating the case as a decorative reference. Use it to prove a doctrinal step in Habeas corpus; extraterritorial application; diplomatic assurances, then move quickly to analysis.
Revision Checklist
Name the issue before discussing facts so the marker sees the legal question immediately.
State the holding in one sentence, then use the ratio to explain why the court reached that result.
Use the citation and jurisdiction to show why this authority matters for the problem you are answering.
Pair this case with one supporting or contrasting authority if the question tests limits, policy, or exceptions.
Problem Question Use
Use Rahmatullah v. Secretary of State for Foreign and Commonwealth Affairs (No 2) in a problem question by matching the factual trigger to the new scenario. If the fact pattern aligns with A Pakistani national captured by UK forces in Iraq and transferred to U.S. custody in Afghanistan sought habeas corpus to compel the UK to request his return from the U.S., apply the ratio and explain the likely result. If a crucial fact, jurisdiction, statute, or procedural posture differs, distinguish the case and use it as a boundary rather than a controlling answer.