01/18/1962
https://www.presidency.ucsb.edu...
"By virtue of the authority vested in me as President of the United States, including authority vested in me by Reorganization Plan No. l of 1958 (72 Stat. 1799), it is hereby ordered as follows:"
"The Director of the Office of Emergency Planning shall advise and assist the President in determining policy for, and assist him in coordinating the performance of functions under this order with the ..."
"By virtue of the authority vested in me as President of the United States, including authority vested in me by Reorganization Plan No. 1 of 1958, it is hereby ordered as follows:"
"These plans and programs will be designed to develop a state of readiness in these areas with respect to all conditions of national emergency, including attack upon the United States."