; (3) four members shall be appointed by the Speaker of the House of Representatives from among the current Members of the House of Representatives; and (4) four members shall be appointed by the minority leader of the House of Representatives from among the current Members of the House of Representatives. (c) Qualifications Members appointed to the Debt Commission shall have significant depth of experience and expertise on fiscal issues. (d) Vacancy Any vacancy in the Debt Commission shall be filled in the same manner as the initial appointment under subsection (b). (e) Co-Chairs From among the members appointed in subsection (b), the leadership of the Senate and House of Representatives of the same political party as the President shall designate 1 member, and the leadership of the Senate and House of Representatives of the opposite political party as the President, shall designate 1 member to serve as a co-chairs of the Debt Commission. (f) Staff director The co-chairs of the Debt Commission, acting jointly, shall hire the staff director of the Debt Commission. (g) Staff compensation The co-chairs of the Debt Commission may jointly appoint and fix the compensation of staff of the Debt Commission as the co-chairs determine necessary, in accordance with the guidelines, rules, and requirements relating to employees of the Senate. (h) Funding Funding for the Debt Commission shall be derived in equal portions from— (1) the contingent fund of the Senate from the appropriations account Miscellaneous Items , subject to the rules and regulations of the Senate; and (2) the applicable accounts of the House of Representatives. (i) Duties The Debt Commission shall identify policies to— (1) achieve a sustainable ratio of the public debt of the Federal Government to the gross domestic product of the United States, in the midterm, including changes to address growth, discretionary appropriations, direct spending, and revenues; (2) improve the long-term solvency of Federal programs for which a Federal trust fund exists