What does Preamble of RESTRAIN Act do?

This bill proposes to amend the Atomic Energy Defense Act. The stated purpose is to prohibit explosive testing of nuclear weapons by the United States. The bill was introduced in the House of Representatives on October 31, 2025, by Ms. Titus and referred to the Committee on Armed Services.

What does SHORT TITLE. of RESTRAIN Act do?

This bill is formally titled the ``Renewing Efforts to Suspend Testing and Reinforce Arms-control Initiatives Now Act'' or the ``RESTRAIN Act''.

What does PROHIBITION ON EXPLOSIVE TESTING OF NUCLEAR WEAPONS CONDUCTED of RESTRAIN Act do?

This section amends Section 4210 of the Atomic Energy Defense Act. It prohibits explosive testing of nuclear weapons or any other nuclear explosion by the United States. Funds appropriated for fiscal year 2026 or subsequent years may not be used to conduct explosive testing of a nuclear weapon or any other nuclear explosion. The prohibition does not limit the United States’ authority to conduct subcritical nuclear tests. A subcritical nuclear test is defined as a nuclear test of fissile materials that are not capable of sustaining an explosive nuclear chain reaction.

Back to bills

RESTRAIN Act

Last updated: 11/19/2025 · Introduced: 10/31/2025

Author: Dina Titus (D-NV)

TL;DR (AI)

The RESTRAIN Act amends the Atomic Energy Defense Act to prohibit the United States from conducting explosive testing of nuclear weapons.
This bill restricts the use of federal funds for explosive nuclear weapon testing, starting in fiscal year 2026.
The prohibition on explosive testing does not apply to subcritical nuclear tests, which are defined as tests involving fissile materials incapable of sustaining an explosive chain reaction.

119th Congressin committeeOfficial page

Verified Votes

No verified votes yet.

Community Votes

No community votes yet. Be the first!

Voting as guest · Sign in for verified votes

Other Sections

Includes provisions on preamble, short title., and 1 more.

3 sections

Click "Show details" to explore individual sections. Use the community vote above or visit All Sections to vote per section.

Read official text

Want the full experience?

Create a free account to cast verified votes on each section, get a personalized summary, and track your voting history.

Create Free Account