While the Privacy Shield was approved in July 2016 and certification began the following month, the EU-US cross border data transfer framework, which has been used by more than 2,400 organizations since its inception, has since been panned by many EU officials and agencies.

The EU's Article 29 Working Party, for example, still has concerns over the agreement that it believes were not properly addressed in last year's negotiations.

But on Monday, September 18, EU officials got the chance address their criticisms with U.S. officials at the two-day Annual Joint Review on the Privacy Shield in Washington D.C.