I 119th CONGRESS 1st Session H. R. 2666 IN THE HOUSE OF REPRESENTATIVES April 7, 2025 Mr. Barr (for himself, Mrs. Wagner , Mr. Nehls , Mr. Evans of Colorado , Mr. Latta , Mr. Edwards , Ms. Tenney , Mr. Rose , Mr. McGuire , Mr. Rutherford , Mrs. Miller of Illinois , Mr. Mills , Mr. Hurd of Colorado , Mr. Van Orden , Mr. Westerman , Mr. McCormick , Mr. Issa , Mr. Ogles , and Mr. Collins ) introduced the following bill; which was referred to the Committee on the Budget A BILL To amend the Congressional Budget and Impoundment Control Act of 1974 to require the Congressional Budget Office to provide an analysis with respect to major legislation over time, and for other purposes.

1. Short title This Act may be cited as the CBO Scoring Accountability Act . 2. Supplemental analysis with respect to major legislation (a) In general Part A of title IV of the Congressional Budget and Impoundment Control Act of 1974 is amended by adding at the end the following: 407. Supplemental estimates of major legislation (a) Mandatory analysis of major legislation enacted into law Not later than annually for the first 10 years after the date of the enactment of any major legislation, the Director of the Congressional Budget Office shall prepare and make publicly available an analysis of the results of carrying out the provisions of such major legislation, which shall include— (1) an estimate of the costs and the amount of any change in Federal revenues as a result of such legislation; (2) a comparison of such costs or changes in Federal revenue against previous estimates prepared with respect to such legislation; and (3) an update to any estimates for the costs or changes in Federal revenue for such major legislation, as applicable. (b) Report to Congress With respect to an analysis prepared under subsection (a) for any major legislation, the Director shall submit to Congress a report that explains the cause of a discrepancy if there is, with respect to any provision in such legislation, any discrepancy— (1) between the actual costs provided in such analysis and such costs as provided in previous estimates for such legislation that is greater than or equal to a 10 percent difference; or (2) between the actual changes in Federal revenue provided in such analysis and such changes as provided in previous estimates for such legislation that is greater than or equal to a 10 percent difference. (c) Agency assistance Each department, agency, establishment, or regulatory agency or commission, shall provide to the Director such information and assistance as the Director may reasonably request to assist the Director in carrying out this section. (d) Major legislation defined In this section, the term major legislation means any bill or joint resolution that would be projected to result in outlays of mandatory spending or receipts of Federal revenue equal to or greater than 0.25 percent of the current projected gross domestic product of the United States for that year. . (b) Clerical amendment The table of contents in section 1(b) of the Congressional Budget and Impoundment Control Act of 1974 is amended by inserting after the item relating to section 406 the following: Sec. 407. Supplemental estimates of major legislation. .