of this Act: Provided further , That none of the funds appropriated under this heading shall be used to pay for abortions: Provided further , That notwithstanding the previous proviso, section 614 of division E of Public Law 113–76 shall apply to funds appropriated under this heading. Millennium challenge corporation For necessary expenses to carry out the provisions of the Millennium Challenge Act of 2003 ( 22 U.S.C. 7701 et seq.) (MCA), $697,600,000, to remain available until expended: Provided , That up to 5 percent of the funds appropriated under this heading may be made available to carry out the purposes of section 616 of the MCA for fiscal year 2018: Provided further , That section 605(e) of the MCA shall apply to funds appropriated under this heading: Provided further , That funds appropriated under this heading may be made available for a Millennium Challenge Compact entered into pursuant to section 609 of the MCA only if such Compact obligates, or contains a commitment to obligate subject to the availability of funds and the mutual agreement of the parties to the Compact to proceed, the entire amount of the United States Government funding anticipated for the duration of the Compact: Provided further , That the Millennium Challenge Corporation (MCC) Chief Executive Officer shall notify the Committees on Appropriations not later than 15 days prior to commencing negotiations for any country compact or threshold country program