Organisers: Eva Andrés Aucejo – Professor of Financial and Tax Law – World Bank Consulter – HCBM Project/OECD. Director of Excellence Network Der-2017 INTAXCO-OP&GOV;Andreu Olesti Rayo – Professor of Public International Law (EU Law.ROJECT: EUROFUTURUM PGC1028-094489- B100. Consolidated Group: DIDUE- 2017 SGR1371