another year." 2017 On November 6, 2017, President Donald Trump extended the national emergency for another year and wrote a letter to Congress. See also Dames & Moore v. Regan List of national emergencies in the United States Jimmy Carter's engagement with Ruhollah Khomeini References External links Executive Order 12170--Blocking Iranian Government property, US Federal Register, November 17, 1979 Letter – Continuation of the National Emergency with Respect to Iran History of the foreign relations of the United States Executive orders of Jimmy Carter Iran–United States relations 1979 in international relations 1979 in American law Sanctions against Iran Emergency laws in the United States United States sanctions