The Foundation shall not support any research or development activity in the field of nuclear energy, nor shall it exercise any authority pursuant to section 1870(e) of this title in respect to that field, without first having obtained the concurrence of the Secretary of Energy that such activity will not adversely affect the common defense and security. To the extent that such activity involves restricted data as defined in the Atomic Energy Act of 1954 [42 U.S.C. 2011 et seq.] the provisions of that Act regarding the control of the dissemination of restricted data and the security clearance of those individuals to be given access to restricted data shall be applicable. Nothing in this chapter shall supersede or modify any provision of the Atomic Energy Act of 1954.

In the case of scientific or engineering research activities under this chapter in connection with matters relating to the national defense, with respect to which funds have been transferred to the Foundation from the Department of Defense in accordance with the provisions of section 1873(f) of this title, the Secretary of Defense shall establish such security requirements and safeguards, including restrictions with respect to access to information and property, as he deems necessary.

(1) In the case of scientific or engineering research activities under this chapter in connection with matters relating to the national defense, with respect to which funds have been transferred to the Foundation from the Department of Defense in accordance with the provisions of section 1873(f) of this title, the Secretary of Defense shall establish such security requirements and safeguards, including restrictions with respect to access to information and property, as he deems necessary.

(2) In the case of scientific or engineering research activities under this chapter in connection with matters relating to the national defense other than research activities referred to in paragraph (1) of this subsection, the Foundation shall establish such security requirements and safeguards, including restrictions with respect to access to information and property, as it deems necessary.

(3) Any agency of the Government exercising investigatory functions is authorized to make such investigations and reports as may be requested by the Foundation in connection with the enforcement of security requirements and safeguards, including restrictions with respect to access to information and property, established under paragraph (1) or (2) of this subsection.

(May 10, 1950, ch. 171, § 15, 64 Stat. 156; Apr. 5, 1952, ch. 159, § 1, 66 Stat. 43; renumbered § 16, Pub. L. 85–510, § 2, July 11, 1958, 72 Stat. 353; amended Pub. L. 87–835, § 1, Oct. 16, 1962, 76 Stat. 1069; renumbered § 15 and amended Pub. L. 90–407, §§ 11(2), 13, July 18, 1968, 82 Stat. 365, 366; Pub. L. 96–516, § 21(b), Dec. 12, 1980, 94 Stat. 3010; Pub. L. 99–159, title I, §§ 109(e)(2), 110(a)(19), Nov. 22, 1985, 99 Stat. 890, 891; Pub. L. 100–570, title I, § 105(b), Oct. 31, 1988, 102 Stat. 2868; Pub. L. 105–207, title II, § 202(a)(4), July 29, 1998, 112 Stat. 874.)