To amend the Congressional Budget Act of 1974 to provide for supplemental estimates of certain revenue bills or joint resolutions that incorporates the macroeconomic effects of that measure.

“(b)

“(1) In the case of any bill or joint resolution to which this subsection applies, whenever the Congressional Budget Office transmits to any committee of the House of Representatives or the Senate any revenue estimates provided to it by the Joint Committee on Taxation, it shall also, to the extent practicable, transmit to that committee a revenue estimate that incorporates the macroeconomic effects of the policy being analyzed. Any macroeconomic impact statement under the preceding sentence shall be accompanied by a written statement fully disclosing the economic, technical, and behavioral assumptions that were made in producing such estimate.

“(2) Paragraph (1) shall apply to any bill or joint resolution—

“(A) which the Joint Committee on Taxation determines, pursuant to its estimate submitted to the Congressional Budget Office under section 202(f), has a revenue impact in excess of $5,000,000,000 in the fiscal year in which the bill or joint resolution is to become effective or in any of the 4 fiscal years following such fiscal year; or

“(B) with respect to which the chair or ranking member of the Committee on the Budget of either the Senate or the House of Representatives requests an estimate described in paragraph (1).”