This chapter, referred to in text, was in the original “this Act”, meaning act July 26, 1947, ch. 343, 61 Stat. 495, known as the National Security Act of 1947, which is classified principally to this chapter. For complete classification of this Act to the Code, see Tables.

Section was formerly classified to section 411 of this title prior to editorial reclassification and renumbering as this section, and to section 171m of Title 5 prior to the general revision and enactment of Title 5, Government Organization and Employees, by Puspan. L. 89–554, § 1, Sept. 6, 1966, 80 Stat. 378.

1993—Puspan. L. 103–178 inserted exception relating to sections 3023, 3025, 3035, and 3038 of this title and subchapters III, IV, and V.