CFR›Title 5›Chapter IV›Part 1400 ContainsSubparts A–CCorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 PART 1400—DESIGNATION OF NATIONAL SECURITY POSITIONS Subparts A Subpart A—Scope Sections 1400.101–1400.103 B Subpart B—Designation and Investigative Requirements Sections 1400.201–1400.205 C Subpart C—Procedural Rights and Reporting Sections 1400.301–1400.302 Authority5 U.S.C. 1103(a)(5), 3301, 3302, 7312; 50 U.S.C. 3023, 3341; E.O. 10450, 3 CFR, 1949-1953 Comp., p. 936; E.O. 10577, 3 CFR, 1954-1958 Comp., p. 218; E.O. 12968, 3 CFR, 1995 Comp., p. 391; E.O. 13467, 3 CFR, 2008 Comp., p. 196; 3 CFR, 2013 Comp., p. 358.Source80 FR 32262, June 5, 2015, unless otherwise noted.