A bill to amend section 304 of the Congressional Budget and Impoundment Control Act of 1974 to require a two-thirds vote for the adoption of any concurrent resolution on the budget for a fiscal year which revises the concurrent resolution on the budget most recently agreed to for such fiscal year if the appropriate level of total budget authority or total budget outlays or the recommended level of Federal revenues set forth in the concurrent resolution on the budget making such revisions exceeds the appropriate level of total budget authority or total budget outlays or the recommended level of Federal revenues, as the case may be, set forth in the first concurrent resolution on the budget for such fiscal year.