Having adopted Regulation No 794/2004 of 21 April 2004 implementing Council Regulation (EC) No 659/1999 laying down detailed rules for the application of Article 93 of the EC Treaty (OJ L 140, 30.04.2004, p. 1) the European Commission stated that notifications on new aid should be sent to the European Commission only electronically as of January 1, 2006, and all correspondence about notified aid measures between the European Commission and Member States should be done electronically (Article 3(4) of Commission Regulation of 2004). 

According to Article 3 of Commission Regulation of 2004, on 27 September 2005, in the Official Journal the European Commission published the procedure according to which electronic State aid notifications should be sent, including addresses and confidential information protection rules (OJ C 237, p. 3). 
Electronic circulation of information between the Member State and European Commission is done through two systems:

  1. State Aid Notification Interactive or SANI;
  2. PKI encoded e-mail system