1. The lacunae of the EU legal system and the role of the Court of Justice of the EU: two selected examples

   • Florence Hartmann-Vareilles
   • Michele Messina

   Editorial 01 June 2011 Pages: 175 - 183

2. E-Procurement—current law and future challenges

   • Michael Varney

   Article 19 May 2011 Pages: 185 - 204

3. Prohibited selectivity of business tax measures and tax policy

   • Pierpaolo Rossi-Maccanico

   Article 01 June 2011 Pages: 205 - 218

4. Daseinsvorsorge und Gewässerschutz in Europa Wasserversorgung und Abwasserbeseitigung zwischen Ökologie und Wettbewerb

   • Michael Reinhardt

   Article 12 May 2011 Pages: 219 - 227

5. Reforming European financial supervision: adapting EU institutions to market structures

   • Kern Alexander

   Article 11 June 2011 Pages: 229 - 252

6. Simplified VAT invoicing requirements and electronic invoicing

   • Ingo Schlegel

   Article 19 May 2011 Pages: 253 - 263

7. Ensuring competition in the clouds: the role of competition law?

   • Laíse Bornico
   • Ian Walden

   Article 01 June 2011 Pages: 265 - 285

8. Free movement of persons in the European Union and social rights: an area of conflicting secondary law instruments?

   • Herwig Verschueren

   Article 19 May 2011 Pages: 287 - 299

9. Pioneering passengers’ rights: legislation and jurisprudence from the aviation sector

   • Sarah Prager

   Article 19 May 2011 Pages: 301 - 320

10. Leading Judgments 1 January–31 March 2011

    • Karolina Rokicka
    • Malte Beyer-Katzenberg
    • Cornelia Riehle

    Case Law of the European Union Courts 19 May 2011 Pages: 321 - 343