2018—Par. (2). Pub. L. 115–278, § 2(g)(3)(A)(i), substituted “biological,” for “biological,,”.

Par. (3). Pub. L. 115–278, § 2(g)(3)(A)(ii), substituted “Director of the Cybersecurity and Infrastructure Security Agency” for “Assistant Secretary for Infrastructure Protection”.

Par. (5)(A). Pub. L. 115–278, § 2(g)(3)(A)(i), substituted “biological,” for “biological,,”.

2007—Par. (3). Pub. L. 110–53 substituted “Under Secretary for Intelligence and Analysis and the Assistant Secretary for Infrastructure Protection” for “Under Secretary for Information Analysis and Infrastructure Protection”.

2006—Pars. (2), (5)(A). Pub. L. 109–347 struck out “radiological, nuclear” after “biological,”.