 The 1925 Concordat between Poland and the holy See confirmed that the building belongs to the Greek Catholic Church.Soon after the Second World War a Soviet controlled communist government expelled most of the Ukrainians from Przemyśl during the Operation Vistula, including most of the clergy and bishop Josaphat Kotsylovsky (Jozefat Kocyłowski), who was martyred.In 1946 Carmelite friars, who were forced to leave their monasteries in Soviet Ukraine, settled in Przemyśl and returned to the empty church.