only for Israel which shall be disbursed within 30 days of enactment of this Act: Provided further , That to the extent that the Government of Israel requests that funds be used for such purposes, grants made available for Israel under this heading shall, as agreed by the United States and Israel, be available for advanced weapons systems, of which not less than $805,300,000 shall be available for the procurement in Israel of defense articles and defense services, including research and development: Provided further , That funds appropriated or otherwise made available under this heading shall be nonrepayable notwithstanding any requirement in section 23 of the Arms Export Control Act: Provided further , That funds made available under this heading shall be obligated upon apportionment in accordance with paragraph (5)(C) of section 1501(a) of title 31, United States Code. None of the funds made available under this heading shall be available to finance the procurement of defense articles, defense services, or design and construction services that are not sold by the United States Government under the Arms Export Control Act unless the foreign country proposing to make such procurement has first signed an agreement with the United States Government specifying the conditions under which such procurement may be financed with such funds: Provided , That all country and funding level increases in allocations shall be submitted through the regular notification procedures of section 7015 of this Act: Provided further, That funds made available under this heading may be used, notwithstanding any other provision of law, for demining, the clearance of unexploded ordnance, and related activities, and may include activities implemented through nongovernmental and international organizations: Provided further , That funds appropriated under this heading shall be expended at the minimum rate necessary to make timely payment for defense articles and services: Provided further , That not more than $70,000,000 of the funds