6 U.S. Code § 511
6 U.S. Code § 511 is about Information security responsibilities of certain agencies. It is under Subchapter X (CONSTRUCTION) of Chapter 1 (Homeland Security Organization) of Title 6 (Domestic Security) of the Code.
(1) National security responsibilities
(A)Nothing in this chapter (including any amendment made by this chapter) shall supersede any authority of the Secretary of Defense, the Director of Central Intelligence, or other agency head, as authorized by law and as directed by the President, with regard to the operation, control, or management of national security systems, as defined by section 3552(b)(5) [1] of title 44.
(B)Omitted
(2) Atomic Energy Act of 1954
Nothing in this chapter shall supersede any requirement made by or under the Atomic Energy Act of 1954 (42 U.S.C. 2011 et seq.). Restricted Data or Formerly Restricted Data shall be handled, protected, classified, downgraded, and declassified in conformity with the Atomic Energy Act of 1954 (42 U.S.C. 2011 et seq.).
