[Presidential documents]: “On November 14, 1979, in Executive Order 12170, the President declared a national emergency with respect to Iran pursuant to the International Emergency Economic Powers Act (50 U.S.C. 1701–1706) and took related steps to deal with the unusual and extraordinary threat to the national security, foreign policy, and economy of the United States constituted by the situation in Iran.”
83 FR 56251
Published 11-09-2018