amount appropriated under this heading, up to $15,000,000 of the funds appropriated by this Act to carry out the provisions of part I of the Foreign Assistance Act of 1961 may be used for purposes of this heading and under the authorities applicable to funds appropriated under this heading: Provided further , That funds made available pursuant to the previous proviso shall be made available subject to prior consultation with the Committees on Appropriations. Development credit authority For the cost of direct loans and loan guarantees provided by the United States Agency for International Development, as authorized by sections 256 and 635 of the Foreign Assistance Act of 1961, up to $50,000,000 may be derived by transfer from funds appropriated by this Act to carry out part I of such Act and under the heading Assistance for Europe, Eurasia and Central Asia : Provided , That funds provided under this paragraph and funds provided as a gift that are used for purposes of this paragraph pursuant to section 635(d) of the Foreign Assistance Act of 1961 shall be made available only for micro- and small enterprise programs, urban programs, and other programs which further the purposes of part I of such Act: Provided further , That funds provided as a gift that are used for purposes of this paragraph shall be subject to prior consultation with, and the regular notification procedures of, the Committees on Appropriations: Provided further , That such costs, including the cost of modifying such direct and guaranteed loans, shall be as defined in section 502 of the Congressional Budget Act of 1974, as amended: Provided further , That funds made available by this paragraph may be used for the cost of modifying any such guaranteed loans under this Act or prior Acts making appropriations for the Department of State, foreign operations, and related programs, and funds used for such cost, including if the cost results in a negative subsidy, shall be subject to the regular notification procedures of the Committees on