From March 1916, it functioned as "Heeresgruppen-Kommando Erzherzog Eugen" in Tyrol to the exclusion of the remaining parts of the front and at the beginning of the execution of the 12th battle of the Isonzo as "Heeresfront Erzherzog Eugen" with the allied German 14th Army and "Heeresgruppe von Boroević" under command but Heeresgruppe von Conrad was not immediately subordinate.