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The Award in Rwanda versus the United Kingdom: The PCA’s Interpretation of VCLT, Article 13

The PCA’s Award in the arbitration between Rwanda and the United Kingdom, decided on May 15, 2026, was released on June 1, 20226. The arbitration related to the decision by the incoming Labour Government to cancel the Agreement between the United Kingdom and Rwanda (formally the Agreement between the Government of the Republic of Rwanda and the Government of the United Kingdom of Great Britain and Northern Ireland for the Provision of an Asylum Partnership to Strengthen Shared International Commitments on the Protection of Refugees and Migrants) to transport asylum seekers to central Africa (“the Asylum Partnership Agreement”).

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Constitution or Compass? A Quiet Renegotiation of the Maritime Order

Constitution or Compass? A Quiet Renegotiation of the Maritime Order Vito De Lucia In June 2026, the China Institute for Marine Affairs published a substantial assessment of the United Nations Convention on the Law of the Sea (Assessment Report on the United Nations Convention on the Law of the Sea: Achievements,…

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Can the Living Instrument Doctrine Be Reversed?

On 15 May 2026, the Committee of Ministers of the Council of Europe (CoE), meeting at ministerial level in Chişinău (Republic of Moldova), adopted a declaration in which the European Court of Human Rights (‘the Court’) was called upon to recalibrate the standard of human rights protection in the field of migration policy. Much has been written…

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A Framework for the Weight of Treaty Body Output: The ICJ’s Right to Strike Advisory Opinion

On 21 May 2026, the International Court of Justice delivered its advisory opinion on the right to strike under ILO Convention No. 87, holding by ten votes to four that the right is protected by that instrument. The Opinion clarifies a long-running issue between workers’ and employers’ groups. But it is also significant as a methodological…

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The Exacerbation of Longstanding Structural Tensions: The 11th NPT Review Conference Closes without an Outcome Document

From April 27 to 22 May 2026, the 11th Review Conference of the Parties to the Treaty on the Non-Proliferation of Nuclear Weapons (NPT) was held in New York amid a climate of considerable tension. In a context marked by the ongoing Russian war against Ukraine, the U.S.-Israeli war against Iran, concerns about a possible nuclear…

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