availability of funds

availability of funds Sec. 517. No part of any appropriation contained in this Act shall remain available for obligation after the expiration of the current fiscal year unless expressly so provided in this Act: Provided, That funds appropriated for the purposes of chapter 1 of part I and chapter 4 of part II of the Foreign Assistance Act of 1961, as amended, shall remain available until expended if such funds are initially obligated before the expiration of their respective periods of availability contained in this Act.