1. Apitzsch, J.: European Federated Validation Service Study: Solution Profile – VPS/Governikus Signing/Verification Modules. IDABC, August 2009.
2. Action-Plan on e-Signatures and e-Identification to Facilitate the Provision of Cross-Border Public Services in the Single Market. Communication from the Commission to the Council, the European Parliament, the European Economic and Social Committee and the Committee of the Regions, November 2008.
3. Commission Decision of 16 October 2009 setting out measures facilitating the use of procedures by electronic means through the ‘points of single contact’ under Directive 2006/123/EC of the European Parliament and of the Council on services in the internal market. Commission Decision 2009/767/EC, 2009.
4. A Digital Agenda for Europe. Communication from the Commission to the Council, the European Parliament, the European Economic and Social Committee and the Committee of the Regions, May 2010.
5. European Commission: Standardisation Mandate to the European Standardisation Organisations CEN, CENELEC and ETSI in the Field of Information and Communication Technologies Applied to Electronic Signatures. December 2009.