Collaboration between the central and provincial government in East Nusa Tenggara (NTT) Province demonstrates how integration of DTKS (Integrated Social Welfare Data), P3KE (Targeting the Acceleration of the Elimination of Extreme Poverty), and Regsosek (Socio-economic Registry) can improve the accuracy of social assistance programs, reduce duplication, and expand the reach of services to the poor and vulnerable. Supported by the SKALA Program, this data integration initiative strengthened transparency, efficiency, and public trust through data validation down to the village level. NTT's success serves as an example of a good practice that can inform the implementation the National Socio-Economic Single Data...