Council Regulation (EU) n°734/2013 of 22 July 2013 amending Regulation (EC) n°659/1999 laying down detailed rules for the application of Article 93 of the EC Treaty was published in the OJ of the EU of 31 July 2013. The Regulation aims at improving the handling of complaints by ensuring that the Commission is provided from the start with all the necessary information and by clarifying the requirements to lodge them, leading to a swifter, more predictable and more transparent investigation of complaints.