; and (2) results in a net decrease in budget authority in the budget year, but does not result in a net decrease in outlays over the period of the total of the current year, the budget year, and all fiscal years covered under the most recently adopted concurrent resolution on the budget. (b) Point of order in the Senate (1) In general It shall not be in order in the Senate to consider a bill or joint resolution making appropriations for a full fiscal year, or an amendment thereto, amendment between the Houses in relation thereto, conference report thereon, or motion thereon, that includes a CHIMP that, if enacted, would cause the absolute value of the total budget authority of all such CHIMPs enacted in relation to a full fiscal year to be more than the amount specified in paragraph (2). (2) Amount The amount specified in this paragraph is, for fiscal year 2021, $15,000,000,000. (c) Determination For purposes of this section, budgetary levels shall be determined on the basis of estimates provided by the Chairman of the Committee on the Budget of the Senate. (d) Supermajority waiver and appeal in the Senate In the Senate, subsection (b) may be waived or suspended only by an affirmative vote of three-fifths of the Members, duly chosen and sworn. 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 (b). 208. Point of order against designation of funds for overseas contingency operations in the Senate (a) Point of order When the Senate is considering a bill, joint resolution, motion, amendment, amendment between the Houses, or conference report, if a point of order is made by a Senator against a provision that designates funds for fiscal years 2020 or 2021 for overseas contingency operations, in accordance with section 251(b)(2)(A) of the Balanced Budget and Emergency Deficit Control Act of 1985 ( 2 U.S.C. 901(b)(2)(A) ), and the point of order is sustained by the Chair,