; and (B) in paragraph 6, by striking one day and inserting for the mandatory minimum review period, as defined in paragraph 5 of rule XII, ; (3) in paragraph 5 of rule XVII, by striking two calendar days (excluding Sundays and legal holidays and inserting the mandatory minimum review period, as defined in paragraph 5 of rule XII, ; and (4) in paragraph 5 of rule XXVIII, by striking shall be immediately put and inserting shall be put after the expiration of the mandatory minimum review period, as defined in paragraph 5 of rule XII . 2. CBO cost estimate (a) Point of order It shall not be in order in the Senate to consider any bill, joint resolution, motion, amendment, amendment between the Houses, or conference report unless a cost estimate under section 402(1) of the Congressional Budget Act of 1974 ( 2 U.S.C. 653(1) ) for the exact text of the bill, joint resolution, motion, amendment, amendment between the Houses, or conference report has been available for not fewer than 24 hours. (b) Waiver and appeal Subsection (a) may be waived or suspended in the Senate only by an affirmative vote of two-thirds of the Members, duly chosen and sworn. An affirmative vote of two-thirds 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).