On January 25, 2017, the U.S. President signed an Executive Order on “Enhancing Public Safety in the Interior of the United States” containing rules for government privacy policies pertaining to foreigners. This caused concerns in Europe, but should not affect the EU-U.S. Privacy Shield.
As of August 1, 2016, U.S. companies can now self-certify compliance to the EU-U.S. Privacy Shield to the U.S. Department of Commerce