European Commission warns 12 EU states over crypto tax reporting and flags Hungary on MiCA

On January 31 2026, the European Commission announced that 12 EU member states will receive formal warning letters for not fully implementing new crypto tax reporting rules. The notices give Belgium, Bulgaria, Czechia, Estonia, Greece, Spain, Cyprus, Luxembourg, Malta, the Netherlands, Poland, and Portugal two months to correct shortcomings or risk escalation. The Commission also sent a separate letter to Hungary over national rules affecting exchange validation services, citing possible non-compliance with the EU's MiCA framework.