; and (II) the leadership of the Senate and House of Representatives of the opposite political party as the President, shall appoint 1 individual from among the members of the Fiscal Commission who shall serve as a co-chair of the Fiscal Commission. (ii) Staff director With respect to the Fiscal Commission, the co-chairs of the Fiscal Commission, acting jointly, shall hire the staff director of the Fiscal Commission. (D) Period of appointment (i) In general The members of the Fiscal Commission shall be appointed for the life of the Fiscal Commission. (ii) Vacancy (I) In general Any vacancy in the Fiscal Commission shall not affect the powers of the Fiscal Commission, but shall be filled not later than 14 days after the date on which the vacancy occurs, in the same manner as the original appointment was made. (II) Ineligible members If a member of the Fiscal Commission who was appointed as a Member of the Senate or the House Representatives ceases to be a Member of the Senate or the House of Representatives, as applicable— (aa) the member shall no longer be a member of the Fiscal Commission