PUBLIC LAW 102-377—OCT. 2, 1992 106 STAT. 1345 (ii) within the 60-day period beginning on the date that Congress receives the certification, Congress does not agree to a joint resolution described in subparagraph (B). (B) For the purposes of subparagraph (A), "joint resolution" means only a joint resolution introduced after the date on which the Congress receives the certification referred to in that subparagraph the matter after the resolving clause of which is as follows: "The Congress disapproves the testing of a nuclear weapon covered by the certification of the President dated ." (the blank space being appropriately filled in). (3) The President may authorize the United Kingdom to conduct in the United States, within a period covered by an annual report, one test of a nuclear weapon if the President determines that it is in the national interests of the United States to do so. Such a test shall be considered as one of the tests within the maximum number of tests that the United States is permitted to conduct during that period under paragraph (I)(B). (0 No undergroimd 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. (g) In the computation of the 90-day period referred to in subsection (c)(1) and the 60-day period referred to in subsection (e)(2)(A)(ii), the days on which either House is not in session because of an adjournment of more than 3 days to a day certain shall be excluded. (h) In this section, the term "modem safety feature" means any of the following features: (1) An insensitive high explosive (IHE). (2) Fire resistant pits (FRP). (3) An enhanced detonation safety (ENDS) system. SEC. 508. Notwithstanding any other provision of this Act, $5,000,000 of the funds appropriated in title I shall be available for the Centr£d Maine Water Supply Project, to remain available until September 30, 1993, and to become available only upon enactment into law of authorizing legislation. This Act may be cited as the "Energy and Water Development Appropriations Act, 1993". Approved October 2, 1992. LEGISLATIVE HISTORY—H.R. 5373: HOUSE REPORTS: Nos. 102-555 (Comm. on Appropriations) and 102-866 (Comm. of ConfcrGriCG^ SENATE REPORTS: No. 102-344 (Comm. on Appropriations). CONGRESSIONAL RECORD, Vol. 138 (1992): June 17, considered and peissed House. July 31, Aug. 3, considered and passed Senate, amended. Sept. 17, House agreed to conference report, concurred in certain amendments, in others with amendments. Sept. 24, House receded and concurred in certain Senate amendment with an amendment. Senate Eigreed to conference report; concurred in House amendments. WEEKLY COMPILATION OF PRESIDENTIAL DOCUMENTS, Vol. 28 (1992): Oct. 2, Presidential remarks and statement.