The term “classified information” means any information that has been determined pursuant to Executive Order 13526, any predecessor or successor order, or sections 1-274, 275-321, and 1001-3115 of the Atomic Energy Act of 1954 (42 U.S.C. 2011-2021, 2022-2286i, 2296a-2297h-13)  to require protection against unauthorized disclosure and that is so designated.
42 U.S. Code § 19038 - Plan with respect to controlled information and background screening
 See References in Text note below.
The Atomic Energy Act of 1954, referred to in subsec. (b)(1), is act Aug. 1, 1946, ch. 724, as added by act Aug. 30, 1954, ch. 1073, § 1, 68 Stat. 919, which is classified principally to chapter 23 (§ 2011 et seq.) of this title. Some of the Code sections referred to in subsec. (b)(1) are not part of the Act, and some of the Code sections that are part of the Act have been repealed. For complete classification of this Act to the Code, see Short Title note set out under section 2011 of this title and Tables.