Pub. L. 116–283, div. A, title VIII, § 844, Jan. 1, 2021, 134 Stat. 3766, provided that, effective 6 years after Jan. 1, 2021, section 2533c of this title, which is now this section, is amended as follows:

(1) in subsection (a)(1), by striking “material melted” and inserting “material mined, refined, separated, melted,”; and

(2) in subsection (c)(3)(A)(i), by striking “tungsten” and inserting “covered material”.

See Codification and 2021 Amendment notes below.

Pub. L. 116–283, § 1870(d)(2), which had initially directed the transfer of section 2536 of this title to this section, was amended by Pub. L. 117–81, § 1701(t)(2)(B), (C), and, after that amendment, such transfer was no longer directed. Instead, Pub. L. 116–283, as amended by Pub. L. 117–81, transferred section 2533c of this title to this section and section 2536 of this title to section 4874.

Amendments by section 844(a) of Pub. L. 116–283, which were directed to section 2533c of this title effective 5 years after Jan. 1, 2021, are to be executed to this section, to reflect the probable intent of Congress and the renumbering of section 2533c as this section by Pub. L. 116–283, as amended by Pub. L. 117–81, effective Jan. 1, 2022.

2023—Subsec. (c). Pub. L. 118–31, § 834(1), substituted “Subsection (a)(1)” for “Subsection (a)” in introductory provisions.

Subsec. (c)(1). Pub. L. 118–31, § 834(2), substituted “Defense—” for “Defense determines that covered materials”, inserted subpar. (A) designation and “identifies a specific end item for which a specific covered material” before “of satisfactory quality”, and added subpar. (B).

2022—Subsec. (c)(3)(B). Pub. L. 117–263 substituted “Strategic and Critical Materials Board of Directors pursuant to section 10 of the Strategic and Critical Materials Stock Piling Act (50 U.S.C. 98h–1)” for “Strategic Materials Protection Board pursuant to section 187 of this title”.

2021—Pub. L. 116–283, § 1870(d)(3)(B), as amended by Pub. L. 117–81, § 1701(t)(3), amended section catchline generally. Prior to amendment, section catchline read as follows: “Prohibition on acquisition of sensitive materials from non-allied foreign nations”.

Pub. L. 116–283, § 1870(d)(2), as amended by Pub. L. 117–81, § 1701(t)(2)(B), (C), renumbered section 2533c of this title as this section.

Subsec. (a)(1). Pub. L. 116–283, § 844(a)(1), substituted “material mined, refined, separated, melted,” for “material melted”. See Codification note above.

Subsec. (c)(3)(A)(i). Pub. L. 116–283, § 844(a)(2), substituted “covered material” for “tungsten”. See Codification note above.

Subsec. (d)(3). Pub. L. 116–283, § 1870(d)(3)(A), as amended by Pub. L. 117–81, § 1701(t)(3), substituted “section 4863(m)” for “section 2533b(m)”.

2019—Subsec. (a)(2). Pub. L. 116–92, § 849(a), substituted “material” for “covered material” in introductory provisions.

Subsec. (d)(1)(E). Pub. L. 116–92, § 849(b), added subpar. (E).

Amendment by Pub. L. 117–81 applicable as if included in the enactment of title XVIII of Pub. L. 116–283 as enacted, see section 1701(a)(2) of Pub. L. 117–81, set out in a note preceding section 3001 of this title and note below for section 1870(d)(2), (3) of Pub. L. 116–283.

Pub. L. 116–283, div. A, title VIII, § 844(b), Jan. 1, 2021, 134 Stat. 3766, as amended by Pub. L. 118–31, div. A, title VIII, § 854, Dec. 22, 2023, 137 Stat. 345, provided that: “The amendments made by subsection (a) [amending this section] shall take effect on the date that is 6 years after the date of the enactment of this Act [Jan. 1, 2021].”

Amendment by section 1870(d)(2), (3) of 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 a note preceding section 3001 of this title.