Within the framework of the Horizon Europe Project EXPRESS2, the faculty of law at the University of Belgrade and the Institute of European Studies (UAB) have organized a conference on September 27, 2024, titled ‘EU Constitutional Identity Through an Explicit Social Contract.’ Speakers from Serbia, Catalonia, Croatia, and Montenegro will discuss various topics related to the implications of an explicit social contract for the EU.” This conference is expected to deepen the relationship between institutions for future collaborative projects and publish the presentations with a prestigious publisher.