RESTRAIN Act

[Congressional Bills 119th Congress] [From the U.S. Government Publishing Office] [H.R. 5894 Introduced in House (IH)]

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119th CONGRESS 1st Session H. R. 5894

To amend the Atomic Energy Defense Act to prohibit explosive testing of nuclear weapons conducted by the United States, and for other purposes.

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IN THE HOUSE OF REPRESENTATIVES

October 31, 2025

Ms. Titus introduced the following bill; which was referred to the Committee on Armed Services

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A BILL

To amend the Atomic Energy Defense Act to prohibit explosive testing of nuclear weapons conducted by the United States, and for other purposes.

Be it enacted by the Senate and House of Representatives of the United States of America in Congress assembled,

SECTION 1. SHORT TITLE.

This Act may be cited as the ``Renewing Efforts to Suspend Testing and Reinforce Arms-control Initiatives Now Act'' or the ``RESTRAIN Act''.

SEC. 2. PROHIBITION ON EXPLOSIVE TESTING OF NUCLEAR WEAPONS CONDUCTED BY THE UNITED STATES.

Section 4210 of the Atomic Energy Defense Act (division D of the Bob Stump National Defense Authorization Act for Fiscal Year 2003 (Public Law 107-314; 50 U.S.C. 2530)) is amended-- (1) by striking subsection (a) and inserting the following: ``(a) Prohibition on Testing.--No explosive testing of a nuclear weapon, or any other nuclear explosion, may be conducted by the United States.''; and (2) by adding at the end the following new subsections: ``(c) Limitation on Availability of Funds.--None of the funds authorized to be appropriated by an Act authorizing funds for fiscal year 2026 or otherwise made available for any fiscal year may be used-- ``(1) to conduct explosive testing of a nuclear weapon; or ``(2) for any other nuclear explosion. ``(d) Rule of Construction.-- ``(1) In general.--Nothing in this section may be constructed to limit the authority of the United States to conduct a subcritical nuclear test. ``(2) Subcritical nuclear test defined.--In this subsection, the term `subcritical nuclear test' means a nuclear test of fissile materials that are not capable of sustaining an explosive nuclear chain reaction.''. <all>