(a) Definitions
In this section:

(1) Appropriate congressional committees
The term "appropriate congressional committees" means—

(A) the congressional intelligence committees;

(B) the Committee on Armed Services of the Senate and the Committee on Armed Services of the House of Representatives; and

(C) the Committee on Foreign Relations of the Senate and the Committee on Foreign Affairs of the House of Representatives.

(2) Congressional leadership
The term "congressional leadership" includes the following:

(A) The majority leader of the Senate.

(B) The minority leader of the Senate.

(C) The Speaker of the House of Representatives.

(D) The minority leader of the House of Representatives.

(b) Requirement for notification
The Director of National Intelligence, in cooperation with the Director of the Federal Bureau of Investigation and the head of any other relevant agency, shall notify the congressional leadership and the chairman and vice chairman or ranking member of each of the appropriate congressional committees, and of other relevant committees of jurisdiction, each time the Director of National Intelligence determines there is credible information that a foreign power has, is, or will attempt to employ a covert influence or active measures campaign with regard to the modernization, employment, doctrine, or force posture of the nuclear deterrent or missile defense.

(c) Content of notification
Each notification required by subsection (b) shall include information concerning actions taken by the United States to expose or halt an attempt referred to in subsection (b).