Royal Decree-Law 20/2011 made Council Directive 2010/24/EU of March 16 effective from January 1, 2012. The Directive aims to establish a common framework of assistance between European Union (EU) states in the recovery of their mutual claims and credit within the EU in relation to certain taxes. The Directive changed certain articles of the Spanish Law 58/2003, of December 17, General Taxation Act (hereinafter referred to as LGT) and put key reforms. This edition of EUDTG outlines those reforms.