Us Code § 4566 - Prohibition on purchase of United States defense contractors by entities controlled by foreign governments

Full text of Us Code United States Code § 4566 — Prohibition on purchase of United States defense contractors by entities controlled by foreign governments, with citation guidance and answers to common questions.

§ 4566. Prohibition on purchase of United States defense contractors by entities controlled by foreign governments

(a) In general

No entity controlled by a foreign government may merge with, acquire, or take over a company engaged in interstate commerce in the United States that—

(1) is performing a Department of Defense contract, or a Department of Energy contract under a national security program, that cannot be performed satisfactorily unless that company is given access to information in a proscribed category of information; or

(2) during the previous fiscal year, was awarded—

(A) Department of Defense prime contracts in an aggregate amount in excess of $500,000,000; or

(B) Department of Energy prime contracts under national security programs in an aggregate amount in excess of $500,000,000.

(b) Inapplicability to certain cases

The limitation in subsection (a) shall not apply if a merger, acquisition, or takeover is not suspended or prohibited pursuant to section 4565 of this title.

(c) Definitions

In this section:

(1) The term "entity controlled by a foreign government" includes—

(A) any domestic or foreign organization or corporation that is effectively owned or controlled by a foreign government; and

(B) any individual acting on behalf of a foreign government,


as determined by the President.

(2) The term "proscribed category of information" means a category of information that—

(A) with respect to Department of Defense contracts—

(i) includes special access information;

(ii) is determined by the Secretary of Defense to include information the disclosure of which to an entity controlled by a foreign government is not in the national security interests of the United States; and

(iii) is defined in regulations prescribed by the Secretary of Defense for the purposes of this section; and


(B) with respect to Department of Energy contracts—

(i) is determined by the Secretary of Energy to include information described in subparagraph (A)(ii); and

(ii) is defined in regulations prescribed by the Secretary of Energy for the purposes of this section.

(Pub. L. 102–484, div. A, title VIII, §835, Oct. 23, 1992, 106 Stat. 2461.)


Editorial Notes

Codification

Section was formerly classified to section 2170a of the former Appendix to this title prior to editorial reclassification and renumbering as this section.

Section was enacted as part of the National Defense Authorization Act for Fiscal Year 1993, and not as part of the Defense Production Act of 1950 which comprises this chapter.

About This Section

50 U.S.C. § 4566 is part of Title 50 of the United States Code. The United States Code is the official codification of federal statutes maintained by the Office of the Law Revision Counsel of the U.S. House of Representatives. Congress amends the Code through new public laws, which are eventually incorporated into the relevant title.

This section may be cited in legal writing as 50 U.S.C. § 4566. For the most current official text, including any recent amendments, use the official source links below. Do not rely on this page as the sole authority for legal citation or litigation.

How to Read This Statute

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Sources

Source: official Us Code text · Last verified 2026-08-27

Frequently Asked Questions About Us Code § 4566

What does United States Code § 4566 cover?

Section 4566 ("Prohibition on purchase of United States defense contractors by entities controlled by foreign governments") is part of the United States Code, the codified statutory law of Us Code. It sets out the legal rule or procedure described in the text above. Statutes are amended regularly, so always verify against the official source.

How do I cite Us Code § 4566?

A common citation format is "United States Code § 4566" (Us Code). Legal writing may require the code abbreviation, section number, and year or edition. Match the style required by your court, professor, or publisher.

Is this the official text of Us Code law?

No. This page is for research and education and may not include the most recent amendments. For official current law, check the Us Code official source linked on this page or consult a licensed Us Code attorney.

How does Us Code § 4566 apply to my situation?

Statutes are interpreted in context, and application depends on your specific facts. Only a licensed attorney in Us Code can advise on how this section applies to you. Contact your state or local bar association for a referral.

Sources & Verification

Not legal advice. Verify against the official source and consult a licensed attorney in Us Code.