Tender for 621A-25-CB04 External Audit Service for the justification of 6 grants from the State Research Agency (AEI) "Projects in Strategic Lines". Calls 2021 and 2022 funded by the European Union, with Next Generation-EU Funds under the framework of the Recovery, Transformation and Resilience Plan USC-2025-0025:621A-25 Framework Agreement for the provision of the external audit service for the justification of grants or subsidies received by the University of Santiago de Compostela (USC) USC-2025-0025:621A-25 Framework Agreement for the provision of the external audit service for the justification of grants or subsidies received by the University of Santiago de Compostela (USC)