Section 168 of the Internal Revenue Code of 1986, referred to in subsec. (a)(2)(A), is classified to section 168 of Title 26, Internal Revenue Code.

The text of subsec. (d) of section 2401 of this title, which was transferred to this section and amended by Pub. L. 116–283, § 1825(f), was based on Pub. L. 98–94, title XII, § 1202(a)(1), Sept. 24, 1983, 97 Stat. 679; Pub. L. 100–26, § 7(h)(1), Apr. 21, 1987, 101 Stat. 282; Pub. L. 109–163, div. A, title VIII, § 815(a)(1), Jan. 6, 2006, 119 Stat. 3381.

2021—Pub. L. 116–283, § 1825(f)(1), transferred subsec. (d) of section 2401 of this title to this section, struck out subsec. (d) designation at beginning, and redesignated pars. (1) and (2) of such former subsec. (d) as subsecs. (a) and (b), respectively.

Subsec. (a). Pub. L. 116–283, § 1825(f)(2)(A), (C), (D), (E), after redesignation of section 2401(d)(1) of this title as subsec. (a) of this section, inserted subsec. heading, redesignated subpar. (A)(i) and (ii) and its concluding provisions as par. (1)(A)(i) and (ii) and (B), respectively, redesignated subpar. (B)(i) and (ii) and its concluding provisions as par. (2)(A)(i) and (ii) and (B), respectively, and inserted par. headings.

Subsec. (a)(1)(A). Pub. L. 116–283, § 1825(f)(2)(A), (B), substituted “In this chapter” for “In this section” and “paragraph (2)” for “subparagraph (B)” in introductory provisions.

Subsec. (b). Pub. L. 116–283, § 1825(f)(3), after redesignation of section 2401(d)(2) of this title as subsec. (b) of this section, inserted heading, substituted “this chapter” for “this section” in introductory provisions, and redesignated subpar. (A) as par. (1) and subpar. (B) and its cls. (i) and (ii) as par. (2) and subpars. (A) and (B), respectively.

Section and amendment by Pub. L. 116–283 effective Jan. 1, 2022, with additional provisions for delayed implementation and applicability of existing law, see section 1801(d) of Pub. L. 116–283, set out as an Effective Date of 2021 Amendment note preceding section 3001 of this title.