Build Your Own Tax Extensions

Large parts of the 2017 Tax Cuts & Jobs Act (TCJA) are set to expire at the end of 2025. Design your own solution below.

Family Benefits and Alternative Taxes

End personal exemption, lift std deduction:

End dependent exemption, lift child credit:

Repeal AMT for most taxpayers:

Repeal "Pease" surtax on deductions:

Tax Deductions

Limit SALT deduction to $10,000:

Limit current SALT cap workarounds:

Cap mortgage deduction at $750k:

Repeal other deductions:

Business, Estate, and Other Provisions

Establish pass-through deduction (199a):

Limit deduction of business losses:

Expand opportunity zones:

Double estate tax exemption:

Corporate Provisions

Amortize R&E costs:

Phase out bonus depreciation:

Tighten limit on interest expenses:

Allow higher global minimum tax:

Other Policies (Non-TCJA)

Expand ACA subsidies:

Increase IRS tax enforcement:

Phase down green energy tax credits:

Other tax or spending changes:

Tax Rates

Reduce individual income tax rates:

Bracket 1:

Bracket 2:

Bracket 3:

Bracket 4:

Bracket 5:

Bracket 6:

Bracket 7:

Estate tax:

199a deduction:

Corporate tax:

Set Rates To Revenue Neutral

Reset Choices:

Expire All

Extend All

Tax Rates By Income

(Married Filing Jointly)

Corporate Rate:

Projected Revenue As a Share of GDP

Baseline Revenues

Revenues with Extensions

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Email Address

Zip Code

Gender

Party Affiliation

Sources and Methods: The Build Your Own Tax Extensions tool is not a formal tax model but is designed to approximate the fiscal impact of tax policy changes relative primarily to the Congressional Budget Office's February 2024 baseline, adjusted for subsequent legislation and executive actions and measured against CBO’s June 2024 baseline (because CBO’s June 2024 baseline extends only to 2034, estimates for 2035 debt, revenue, and gross domestic product are Committee for a Responsible Federal Budget estimates). Numbers in this tool were developed by the Committee for a Responsible Federal Budget based largely on data from the Congressional Budget Office (CBO) and Joint Committee on Taxation (JCT), incorporating some data from the Tax Foundation, Tax Policy Center, Penn Wharton Budget Model, Office of Management and Budget, Department of the Treasury, American Enterprise Institute, The Budget Lab at Yale, and Committee for a Responsible Federal Budget. The tool does not directly incorporate all interactions, though estimates of most provisions are generated assuming other parts of TCJA are extended, and in some cases the tool does roughly capture interaction effects. Estimates are based on conventional scoring but only partially capture behavior effects of larger changes to the tax code and do not incorporate dynamic macroeconomic feedback.