1. Short title This Act may be cited as the No Nuclear Testing Without Approval Act . 2. Requirement for approval of Congress for conduct of explosive nuclear testing Section 4210(a) of the Atomic Energy Defense Act ( 50 U.S.C. 2530(a) ) is amended to read as follows: (a) Explosive nuclear testing (1) In general No explosive nuclear testing may be conducted by the United States after the date of the enactment of the National Defense Authorization Act for Fiscal Year 2021, and none of the funds described in paragraph (2) may be obligated or expended to conduct such testing, unless— (A) (i) a foreign state conducts a nuclear test after that date; or (ii) there is a technical need for such testing; (B) not less than 180 days before the date proposed to conduct such testing, the President submits to Congress a notification described in paragraph (3) with respect to such testing; and (C) a joint resolution approving the testing with respect to which the notification is submitted under subparagraph (B) is enacted into law— (i) in the case of testing proposed to be conducted after a foreign state conducts a nuclear test— (I) without use of expedited procedures under paragraph (4); but (II) requiring, for passage in the Senate, the affirmative vote of two-thirds of Senators, duly chosen and sworn; or (ii) in the case of testing proposed to be conducted because there is a technical need for such testing, pursuant to paragraph (4). (2) Funds described The funds described in this paragraph are funds— (A) authorized to be appropriated or otherwise made available for fiscal year 2021 or any fiscal year thereafter