Tax in History: GAAR-dians of the Tax Galaxy. A 100-year GAAR Journey from Germany to Austria and Back to the EU - Intertax View Tax in History: GAAR-dians of the Tax Galaxy. A 100-year GAAR Journey from Germany to Austria and Back to the EU by - Intertax Tax in History: GAAR-dians of the Tax Galaxy. A 100-year GAAR Journey from Germany to Austria and Back to the EU 47 11 Intertax