proposed spending reductions under paragraph (1) shall be calculated by the Congressional Budget Office against a budget baseline consistent with section 257 of the Balanced Budget and Emergency Deficit Control Act of 1985. This baseline shall exclude the extrapolation of any spending that had been enacted under an emergency designation. (B) Availability The Senate and the House of Representatives may not vote on any bill, joint resolution, amendment, motion, or conference report that increases the public debt limit unless the cost estimate of that measure prepared by the Congressional Budget Office has been publicly available on the website of the Congressional Budget Office for at least 24 hours. (C) Prohibit timing shifts Any provision that shifts outlays or revenues from within the 10-year window to outside the window shall not count towards the budget savings target for purposes of this subsection. (3) Calculation of projected debt amount For purposes of paragraph (1), the Congressional Budget Office shall determine the amount of projected debt for the period for which the bill, joint resolution, amendment, motion, or conference report suspends the statutory debt limit by calculating the difference between— (A) the amount the statutory debt is projected to be on the date on which the suspension of the statutory debt limit is to end, as determined by the debt projection of the Congressional Budget Office, and (B) the amount of statutory debt as of the date on which the suspension of the statutory debt limit is to begin. (b) Senate supermajority waiver and appeal (1) Waiver In the Senate, subsection (a)(1) may be waived or suspended only by an affirmative vote of three-fifths of the Members, duly chosen and sworn. (2) Appeal An affirmative vote of three-fifths of the Members of the Senate, duly chosen and sworn, shall be required to sustain an appeal of the ruling of the Chair on a point of order raised under subsection (a)(1). . (b) Conforming amendment The table of contents set forth in section 1(b) of the