(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.