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10 U.S.C. § 6121 — Testing of nuclear weapons
Federal law — U.S. Code and appendices · legal_authorities
**(a) Underground Testing.—** No underground test of nuclear weapons may be conducted by the United States after September 30, 1996, unless a foreign state conducts a nuclear test after this date, at which time the prohibition on United States nuclear testing is lifted.
**(b) Atmospheric Testing.—** None of the funds appropriated pursuant to the National Defense Authorization Act for Fiscal Year 1994 (Public Law 103–160; 107 Stat. 1547) or any other Act for any fiscal year may be available to maintain the capability of the United States to conduct atmospheric testing of a nuclear weapon.
Source: Supplied U.S. Code snapshot — release unconfirmed · 10 U.S.C. § 6121
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Source file: Laws/federal/codes/united-states-code/title-10/section-6121-testing-of-nuclear-weapons--b6f4894031.md
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Source location: Title 10, Chapter 602, § 6121; chapter-602-nuclear-weapons-stockpile-matters.md
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**(a) Underground Testing.—** No underground test of nuclear weapons may be conducted by the United States after September 30, 1996, unless a foreign state conducts a nuclear test after this date, at which time the prohibition on United States nuclear testing is lifted.
**(b) Atmospheric Testing.—** None of the funds appropriated pursuant to the National Defense Authorization Act for Fiscal Year 1994 (Public Law 103–160; 107 Stat. 1547) or any other Act for any fiscal year may be available to maintain the capability of the United States to conduct atmospheric testing of a nuclear weapon.
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Federal law — U.S. Code and appendices · legal_authorities
**(a) Research and development; weapons production; hazardous wastes; transfers of technologies** The Commission is authorized to—
(1) conduct experiments and do research and development work in the military application of atomic energy;
(2) engage in the production of atomic weapons, or atomic weapon parts, except that such activities shall be carried on only to the extent that the express consent and direction of the President of the United States has been obtained, which consent and direction shall be obtained at least once each year;
(3) provide for safe storage, processing, transportation, and disposal of hazardous waste (including radioactive waste) resulting from nuclear materials production, weapons production and surveillance programs, and naval nuclear propulsion programs;
(4) carry out research on and development of technologies needed for the effective negotiation and verification of international agreements on control of special nuclear materials and nuclear weapons; and
(5) under applicable law (other than this paragraph) and consistent with other missions of the Department of Energy, make transfers of federally owned or originated technology to State and local governments, private industry, and universities or other nonprofit organizations so that the prospects for commercialization of such technology are enhanced.
**(b) Material for Department of Defense use** The President from time to time may direct the Commission (1) to deliver such quantities of special nuclear material or atomic weapons to the Department of Defense for such use as he deems necessary in the interest of national defense, or (2) to authorize the Department of Defense to manufacture, produce, or acquire any atomic weapon or utilization facility for military purposes: Provided, ho
Source: Supplied U.S. Code snapshot — release unconfirmed · 42 U.S.C. § 2121
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Federal law — U.S. Code and appendices · legal_authorities
### Statutory Notes
Section 2529, Pub. L. 107–314, div. D, title XLII, § 4209, formerly div. C, title XXXI, § 3143, Dec. 2, 2002, 116 Stat. 2733; renumbered div. D, title XLII, § 4209, by Pub. L. 108–136, div. C, title XXXI, § 3141(e)(10), Nov. 24, 2003, 117 Stat. 1759; Pub. L. 111–84, div. C, title XXXI, § 3115, Oct. 28, 2009, 123 Stat. 2707; Pub. L. 113–66, div. C, title XXXI, § 3146(c)(5), Dec. 26, 2013, 127 Stat. 1074; Pub. L. 115–232, div. C, title XXXI, § 3111(c), Aug. 13, 2018, 132 Stat. 2289; Pub. L. 117–263, div. C, title XXXI, § 3111, Dec. 23, 2022, 136 Stat. 3051; Pub. L. 118–159, div. C, title XXXI, § 3111(c)(3), Dec. 23, 2024, 138 Stat. 2295, related to requirements for requests for funds for development of new or modified nuclear weapons and notification and briefing of noncovered activities. See [section 6120 of Title 10](https://uscode.house.gov/view.xhtml?req=granuleid:USC-prelim-title10-section6120&num=0&edition=prelim), Armed Forces.
Section 2530, Pub. L. 107–314, div. D, title XLII, § 4210, formerly Pub. L. 102–377, title V, § 507(f), Oct. 2, 1992, 106 Stat. 1345; renumbered Pub. L. 107–314, div. D, title XLII, § 4210, and amended Pub. L. 108–136, div. C, title XXXI, § 3141(e)(11), Nov. 24, 2003, 117 Stat. 1760; Pub. L. 112–239, div. C, title XXXI, § 3131(d)(1), Jan. 2, 2013, 126 Stat. 2180, set out restrictions on underground and atmospheric testing of nuclear weapons. See [section 6121 of Title 10](https://uscode.house.gov/view.xhtml?req=granuleid:USC-prelim-title10-section6121&num=0&edition=prelim), Armed Forces.
#### Development of Low-Yield Nuclear Weapons; Authorization and Limitation
Pub. L. 115–232, div. C, title XXXI, § 3111(a), Aug. 13, 2018, 132 Stat. 2289, which authorized the Secretary of Energy to carry out engineering development an
Source: Supplied U.S. Code snapshot — release unconfirmed · 50 U.S.C. § 2531
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