After recent decision of the Belgian government to black list Luxembourg as tax haven it is now EU that orders specific members of the EU community such as Poland and Estonia to urgently turn over information on tax rulings. Other 15 nations including Germany and France have been asked to provide tax agreements with specific companies. These actions are a result of the LuxLeaks affair which involved moving profits between several EU countries and Switzerland. It is expected that investigation will continue.
Belgium decision to black list Luxembourg: http://www.wort.lu/en/business/tax-haven-belgium-to-blacklist-luxembourg-556d90010c88b46a8ce5a628