This book, which takes account of legal developments until April 2012, describes in detail the EU law affecting the transparency of the institutions as well as the actual practice of the European Commission, the Council and the European Parliament. The relevant practice of other institutions and bodies is also considered. Among the topics covered are:; the scope and extent of public access to documents under Regulation 1049/2001; the impact on public access of Regulation 1367/2006 (the 'Aarhus Regulation'); the procedure for applying for public access; rules on classified information; data protection and public access; the openness of decision-making, the relationship of Regulation 1049/2001 and other rules on access to documents; the law pertaining to the Official Journal;; other aspects of transparency of EU decision-making, such as languages, quality of drafting and the involvement of lobbyists; remedies in Court and before the Ombudsman.