and international organizations, and section 301 of the Foreign Assistance Act of 1961 for a United States contribution to the Comprehensive Nuclear Test Ban Treaty Preparatory Commission, and for a voluntary contribution to the International Atomic Energy Agency (IAEA): Provided , That funds made available under this heading for the Nonproliferation and Disarmament Fund shall be made available, notwithstanding any other provision of law and subject to prior consultation with, and the regular notification procedures of, the Committees on Appropriations, to promote bilateral and multilateral activities relating to nonproliferation, disarmament, and weapons destruction, and shall remain available until expended: Provided further , That such funds may also be used for such countries other than the Independent States of the former Soviet Union and international organizations when it is in the national security interest of the United States to do so: Provided further , That funds appropriated under this heading may be made available for the IAEA unless the Secretary of State determines that Israel is being denied its right to participate in the activities of that Agency: Provided further , That funds made available for conventional weapons destruction programs, including demining and related activities, in addition to funds otherwise available for such purposes, may be used for administrative expenses related to the operation and management of such programs and activities, subject to the regular notification procedures of the Committees on Appropriations. Peacekeeping operations For necessary expenses to carry out the provisions of section 551 of the Foreign Assistance Act of 1961, $516,348,000, to remain available until September 30, 2021, and of which $325,213,000 is designated by the Congress for Overseas Contingency Operations/Global War on Terrorism pursuant to section 251(b)(2)(A)(ii) of the Balanced Budget and Emergency Deficit Control Act of 1985: Provided , That funds appropriated under this heading may be