The creation of the multinational federation involved at the same time the re-creation of the Yugoslav polity and a laborious construction of the sub-state entities and their own political communities. The creation of republican citizenships and the Yugoslav common two-tier or bifurcated citizenship was part and parcel of this intensive construction of modern states within a larger multinational federation. Citizenship was an important attribute of the republics’ statehood, although it was rarely mentioned as such by the authorities and was almost completely neglected by scholars. The institution will show its resilience and importance only later. The constitutional process at the same time seemed endless: post-war Yugoslavia introduced thr...