Section 2400.1 - Authority(a) Executive Order 12356 "National Security Information," dated April 2, 1982, 47 FR 14874 (Apr. 6, 1982); 47 FR 15557 (Apr. 12, 1982) and Order of Designation of May 7, 1982, 47 FR 20105 (May 11, 1982).(b) Information Security Oversight Office, Directive No. 1, "National Security Information," dated June 23, 1982, 47 FR 27836 (June 25, 1982) (Directive No. 1).