Europe’s self-defence: Tous pour un et un pour tous?

Friday, 20 November 2015
CEPS Commentaries
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Authors: Christophe Hillion and Steven Blockmans

Series: CEPS Commentary   No of pp: 4

When he addressed the French Parliament following the terrorist atrocities in Paris on November 13th, French President François Hollande invoked Article 42(7) of the Treaty on the European Union. Never before has this EU ‘mutual assistance clause’ been activated by an EU member state. What does it provide and what are its practical implications?

Christophe Hillion is Professor of European Law at the universities of Leiden and Gothenburg and a researcher at the Norwegian Institute of International Affairs (NUPI), the Oslo Centre for European Law and the Swedish Institute for European Policy Studies (SIEPS). Steven Blockmans is Head of the EU Foreign Policy research unit at CEPS and Professor of EU External Relations Law and Governance at the University of Amsterdam.