Section was enacted as part of the William M. (Mac) Thornberry National Defense Authorization Act for Fiscal Year 2021 and not as part of the Homeland Security Act of 2002 which comprises this chapter.

Section is comprised of section 9002 of Pub. L. 116–283. Subsec. (c)(1) of section 9002 of Pub. L. 116–283 enacted section 665d of this title. Subsec. (c)(2) of section 9002 of Pub. L. 116–283 amended sections 195f, 321m, 651, 652, and 664 of this title. Subsec. (c)(4) of section 9002 of Pub. L. 116–283 amended the table of contents in section 1(b) of the Homeland Security Act of 2002.

2022—Subsec. (a)(5). Pub. L. 117–263, § 7143(d)(5)(A)(i), (ii), redesignated par. (6) as (5) and struck out former par. (5). Prior to amendment, text of par. (5) read as follows: “The term ‘information sharing and analysis organization’ has the meaning given that term in section 671(5) of this title.”

Subsec. (a)(6), (7). Pub. L. 117–263, § 7143(d)(5)(A)(ii), (iii), which redesignated par. (7) as (6) and then directed the general amendment of par. (7), was executed by making the redesignation and generally amending par. (6) as redesignated, to reflect the probable intent of Congress. As amended, such par. remained designated as (7). Prior to amendment, text of par. (7) read as follows: “The term ‘sector risk management agency’ has the meaning given the term ‘Sector-Specific Agency’ in section 651(5) of this title.”

Subsec. (c)(3)(B). Pub. L. 117–263, § 7143(d)(5)(B), which directed substitution of “given such term in section 650 of this title” for “given such term in section 651(5) of this title”, was executed by making the substitution for “give such term in section 651(5) of this title”, to reflect the probable intent of Congress.

Subsec. (d). Pub. L. 117–263, § 7143(d)(5)(C), made technical amendment to reference in original act which appears in text as reference to section 665d of this title.