Dwight Eisenhower actually said...
All actions heretofore taken by the President with respect to the matters affected by this order and in force and effect at the time of the issuance of this order, including any regulations prescribed or approved by the President with respect to such matters, shall, except as they may be inconsistent with the provisions of this order, remain in force and effect until amended, modified, or revoked pursuant to the authority conferred by this order.
Context
Executive Order 10621—Delegation of Certain Functions of the President to the Secretary of Defense
06/30/1955