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.''.
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