In response to a Freedom of Information Act request from New York Times reporter Charlie Savage, the Privacy and Civil Liberties Oversight Board (PCLOB) has declassified its implementation report on Presidential Policy Directive 28: Signals Intelligence Activities (PPD-28). PPD-28 was signed by President Obama in January of 2014 and provides principles guiding “why, whether, when, and how the United States conducts signals intelligence activities.” The report was sent to Congress in early 2017. The document can be read in full below:

PCLOB Report on Presidential Policy Directive 28 :