I 
119TH CONGRESS 
1ST SESSION H. R. 4263 
To enhance the competitiveness of the nuclear sector of the United States 
in foreign countries, and for other purposes. 
IN THE HOUSE OF REPRESENTATIVES 
JUNE 30, 2025 
Mr. SELF (for himself, Mr. BURCHETT, and Mr. BAUMGARTNER) introduced 
the following bill; which was referred to the Committee on Foreign Af-
fairs, and in addition to the Committees on Armed Services, Energy and 
Commerce, Financial Services, and Science, Space, and Technology, for 
a period to be subsequently determined by the Speaker, in each case for 
consideration of such provisions as fall within the jurisdiction of the com-
mittee concerned 
A BILL 
To enhance the competitiveness of the nuclear sector of the 
United States in foreign countries, and for other purposes. 
Be it enacted by the Senate and House of Representa-
tives of the United States of America in Congress assembled, 
SECTION 1. SHORT TITLE. 
This Act may be cited as the ‘‘123 GO Act’’. 
SEC. 2. SENSE OF CONGRESS. 
It is the sense of Congress that Executive Order 
14299 (90 Fed. Reg. 22581; relating to deploying ad-
VerDate Sep 11 2014 
21:54 Jul 12, 2025
Jkt 059200
PO 00000
Frm 00001
Fmt 6652
Sfmt 6201
E:\BILLS\H4263.IH
H4263
kjohnson on DSK7ZCZBW3PROD with $$_JOB
vanced nuclear reactor technologies for national security) 
reflects the interests of the United States. 
SEC. 3. NEGOTIATION OF 123 AGREEMENTS. 
The Secretary of State shall— 
(1) lead diplomatic engagement and negotia-
tions for agreements for cooperation pursuant to 
section 123 of the Atomic Energy Act of 1954 (42 
U.S.C. 2153) (hereafter referred to as ‘‘123 agree-
ments’’); 
(2) seek to enter into not fewer than 20 new 
123 agreements before January 3, 2029; and 
(3) seek to renegotiate or renew 123 agree-
ments that are scheduled to expire before the date 
that is 10 years after the date of the enactment of 
this Act. 
SEC. 4. PROGRAM TO ENHANCE GLOBAL COMPETITIVE-
NESS. 
The Secretary of State, in consultation with the Sec-
retary of Commerce and the Secretary of Energy, and 
after review by the Director of the Office of Science and 
Technology Policy and the Assistant to the President for 
Economic Policy, shall implement a program to enhance 
the global competitiveness of United States persons (as 
such term is defined in section 1637(d) of the Carl Levin 
and Howard P. ‘‘Buck’’ McKeon National Defense Au-
VerDate Sep 11 2014 
21:54 Jul 12, 2025
Jkt 059200
PO 00000
Frm 00002
Fmt 6652
Sfmt 6201
E:\BILLS\H4263.IH
H4263
kjohnson on DSK7ZCZBW3PROD with $$_JOB
thorization Act for Fiscal year 2015 (50 U.S.C. 1708(d)) 
who are nuclear suppliers, investors, or lenders to compete 
for nuclear projects in foreign countries, including— 
(1) expediting the conclusion of intergovern-
mental agreements on nuclear energy and the fuel 
supply chain with potential export countries; 
(2) promoting broad adherence to the Conven-
tion on Supplementary Compensation for Nuclear 
Damage, with Annex, done at Vienna September 12, 
1997 (TIAS 15–415); 
(3) identifying statutory and regulatory burdens 
on exports of nuclear technology, fuel supplies, 
equipment, and services from the United States and 
recommending action to relieve such burdens; and 
(4) encouraging favorable decisions by potential 
import countries on the use of nuclear technology, 
fuel supplies, equipment, and services from the 
United States. 
Æ 
VerDate Sep 11 2014 
21:54 Jul 12, 2025
Jkt 059200
PO 00000
Frm 00003
Fmt 6652
Sfmt 6301
E:\BILLS\H4263.IH
H4263
kjohnson on DSK7ZCZBW3PROD with $$_JOB