Nothing in this subchapter shall be construed to authorize investigations of espionage, sabotage, or subversive acts by any persons other than personnel of the Federal Bureau of Investigation . ( Pub. L. 93–288, title VI, § 628 , as added Pub. L. 103–337, div. C, title XXXIV, § 3411(a)(3) , Oct. 5, 1994 , 108 Stat. 3110 .) Editorial Notes Prior Provisions Provisions similar to those in this section were contained in section 2263 of the former Appendix to Title 50 , War and National Defense, prior to repeal by Pub. L. 103–337, § 3412(a) . CFR Title Parts 7 789 44 80 , 201 , 204 , 206 , 207 , 208