The data protection authorities of the EU, represented by the Article 29 Working Party, stated that tax data exchanges must be accompanied by safeguards to ensure privacy protection.  In a statement directed to national governments and EU institutions, the data protection authorities stressed that automatic exchange of personal data for tax purposes must meet data protection requirements, namely the principles of purpose limitation and necessity. They stated that they intend to issue further guidance, in particular, techniques to obtain more consistency at the EU level in order to limit the data protection liability risk of the member states tax authorities and to increase a more consistent approach on data protection within the EU.