PrefaceAcknowledgementsList of FiguresAbbreviationsNotes on Contributors - Excluding the Editors, Marc Maresceau and Christa ToblerIntroduction Switzerland and the EU: A Challenging Relationship Marc Maresceau and Christa Tobler 1 The Policy of Autonomous Adaptation of Swiss Law to EU Law Matthias Oesch and Mattia Brugger 2 The Agreement on the Free Movement of Persons From the (Almost) Complete Integration of EU acquis on Social Security Coordination to the Absence of Integration of Directive 2004/38 Pauline Melin 3 Sectoral Bilateralism Lessons from the Case Law of the Court of Justice of the European Union Peter Van Elsuwege 4 The Swiss Posted Workers Act and Free Movement of Services between Switzerland and the European Union Kurt Pärli 5 covid-19, Switzerland and the EU Pandemic-Related EU Action and Its Legal Effect on Switzerland as Compared to the eea efta States Christa Tobler 6 Switzerland's Structural Participation in EU Agencies Merijn Chamon 7 The Case-by-case Cooperation between the EU and Switzerland in Foreign Policy, Security and Defence Christophe Hillion 8 The Road to Tax Transparency in Switzerland Hans-Joachim Jaeger and Katharina Manz 9 A Comparison between the Swiss Cohesion Payments and the eeaand Norway Grants Benedikt Pirker 10 The Shelved Institutional Agreement eu-chfrom a Political Science Perspective René Schwok 11 Switzerland and the EU The Failure of the Institutional Agreement from a Legal Perspective Christine Kaddous 12 The Federal Council's Suggested Sectoral Approach Post-26 May 2021 and the Future of EU-Swiss Trade Relations Michael Hahn 13 Switzerland-UK Trade Relations: A Future Planned by the Past? An Overview of the Trade Agreement between Switzerland and the United Kingdom and Related Agreements Georges Baur Index.