The sources of EU law relevant for direct taxation / Lukasz Adamczyk -- The relevance of the fundamental freedoms for direct taxation / Vanessa E. Englmair -- The state aid provisions of the TFEU in tax matters / Marie-Ann Mamut -- The parent-subsidiary directive / Mario Tenore -- The merger directive / Matthias Hofstatter, Daniela Hohenwarter-Mayr -- The interest and royalty directive / Dimitar Hristov -- The savings directive / Sabine Heidenbauer -- The directives on mutual assistance in the assessment and in the recovery of tax claims in the field of direct taxation / Michael Schilcher -- The EU arbitration convention / Patrick Plansky