, That not more than $920,200,000 of funds realized pursuant to section 21(e)(1)(A) of the Arms Export Control Act may be obligated for expenses incurred by the Department of Defense during fiscal year 2018 pursuant to section 43(b) of the Arms Export Control Act, except that this limitation may be exceeded only through the regular notification procedures of the Committees on Appropriations. V Multilateral assistance Funds appropriated to the president International organizations and programs For necessary expenses to carry out the provisions of section 301 of the Foreign Assistance Act of 1961, and of section 2 of the United Nations Environment Program Participation Act of 1973 ( Public Law 93–188