42 U.S.C. § 7273b
(1) No funds appropriated to the Department of Energy may be obligated or expended for the conduct of an investigation by the Department of Energy or any other Federal department or agency for purposes of determining whether to grant a security clearance to an individual or a facility unless the Secretary of Energy determines both of the following:
(Pub. L. 101–510, div. C, title XXXI, § 3104(d), , 104 Stat. 1828.)
Section was enacted as part of the National Defense Authorization Act for Fiscal Year 1991, and not as part of the Department of Energy Organization Act which comprises this chapter.