The session took place on Friday morning and was chaired by Fulvio Attina (University of Catania) whilst Katie Verlin Laatikainen (Adelphi University) discussed the papers. Firstly, Oriol Costa (Universitat Autònoma de Barcelona) presented the analytical framework of EU-IANUS in the paper “Accommodating or entrenching? How the EU is dealing with changes in the multilateral system”. The other papers applied the framework to case-studies. Benjamin Kienzle (King’s College London) dealt with the nuclear non-proliferation regime in his paper “The irony of history: European responses to the contested evolution of the nuclear non-proliferation regime”. Next, Gemma Collantes-Celador (City University London) presented “The EU and the International Criminal Court: Maintaining its Relevance in this ‘Almost Perfect’ Institutional Marriage of Ideas with Power” and Anna Herranz-Surrallés (Universiteit Maastricht) tackled the issue of energy in “Dealing with adversity in global energy governance: The EU and the crisis of the Energy Charter Treaty”. Finally,Esther Barbé (Institut Barcelona d’Estudis Internacionals and Universitat Autònoma de Barcelona) presented her paper “Supporting practices inspired by solidarist ideas: The EU in the UNSC Open Debates on Women, Peace and Security”.