Budget-related legislation must be within appropriate levels

Except as provided by subsection (c), after the Congress has completed action on a concurrent resolution on the budget for a fiscal year, it shall not be in order in the House of Representatives to consider any bill, joint resolution, amendment, motion, or conference report providing new budget authority or reducing revenues, if— After a concurrent resolution on the budget is agreed to, it shall not be in order in the Senate to consider any bill, joint resolution, amendment, motion, or conference report that— After a concurrent resolution on the budget is agreed to, it shall not be in order in the Senate to consider any bill, joint resolution, amendment, motion, or conference report that would cause a decrease in social security surpluses or an increase in social security deficits relative to the levels set forth in the applicable resolution for the first fiscal year or for the total of that fiscal year and the ensuing fiscal years for which allocations are provided under section 633(a) of this title. For purposes of subsection (a)(3), social security surpluses equal the excess of social security revenues over social security outlays in a fiscal year or years with such an excess and social security deficits equal the excess of social security outlays over social security revenues in a fiscal year or years with such an excess. For purposes of subsection (a)(3), no provision of any legislation involving a change in chapter 1 of the Internal Revenue Code of 1986 [26 U.S.C. 1 et seq.] shall be treated as affecting the amount of social security revenues or outlays unless that provision changes the income tax treatment of social security benefits. Subsection (a)(1) shall not apply in the House of Representatives to any bill, joint resolution, or amendment that provides new budget authority for a fiscal year or to any conference report on any such bill or resolution, if—