Bipartisan Tax Fairness Act of 2025

Bill Number

H.R. 4280

Origin Chamber

House

Congress

119th Congress, Session 1

Status

Introduced

Latest Action

2025-07-02: Referred to the House Committee on Ways and Means.

Last Updated

2025-07-22T04:31:27Z

AI-Generated Summary

Purpose

The Bipartisan Tax Fairness Act of 2025 aims to update the U.S. federal income tax system by making certain temporary tax rates permanent and introducing a new higher top tax rate for very high earners. This addresses expiring provisions from prior tax laws, such as those set to sunset after 2025, while aiming to promote tax fairness through progressive rates.

Key Provisions

• New Tax Rate Tables: The bill replaces the existing income tax brackets in the Internal Revenue Code (Sections 1(a) through 1(e)) with updated tables for different filing statuses. These maintain lower rates for modest incomes (starting at 10%) but add higher rates for upper-income levels.
• Married Filing Jointly/Surviving Spouses: Seven brackets, with rates up to 39.6% on income over $2,000,000.
• Heads of Households: Eight brackets, with 39.6% on income over $1,000,000.
• Unmarried Individuals (Other Than Surviving Spouses/Heads of Households): Eight brackets, with 39.6% on income over $1,000,000.
• Married Filing Separately: Eight brackets, with 39.6% on income over $1,000,000.
• Estates and Trusts: Four brackets, with rates up to 37% on income over $12,500 (no 39.6% rate applied here).
• Inflation Adjustments: Updates the cost-of-living adjustment mechanism (Section 1(f)) to base increases on 2017 figures instead of 2016, with rounding rules ($25 increments generally, $50 for joint returns) to simplify brackets over time.
• Conforming Changes: Removes outdated subsections on marriage penalty phaseouts (Sections 1(i) and 1(j)) and adjusts withholding rules (Section 3402(q)) to align with the new "fourth lowest" rate bracket.
• Effective Date: Applies to tax years beginning after December 31, 2025. Changes in rates are not subject to gradual phase-in rules under Section 15 of the Code.

Significant Changes to Existing Law

• Permanence of Rates: Makes the post-2017 Tax Cuts and Jobs Act (TCJA) individual income tax brackets permanent, preventing their scheduled expiration at the end of 2025. This avoids reverting to pre-TCJA higher rates across most brackets.
• New Top Rate: Introduces a 39.6% top marginal rate (up from the current 37%) for the highest earners, applied only to income exceeding $1,000,000–$2,000,000 depending on filing status. This revives a pre-TCJA top rate but targets it more narrowly.
• Simplified Structure: Eliminates phaseout rules for marriage penalties in lower brackets and streamlines inflation adjustments, reducing complexity in future tax calculations.
• No Reversion Penalty: Explicitly exempts these rate changes from Section 15, which would otherwise require a multi-year transition for rate hikes.

Potential Impacts

• On Citizens: Lower- and middle-income taxpayers (under ~$200,000–$500,000) see stable or slightly adjusted brackets due to inflation indexing, potentially maintaining current effective tax burdens. High-income individuals (over $1,000,000) face higher taxes on top earnings, which could reduce disposable income for investments or spending but encourage tax planning strategies like deductions or charitable giving.
• On Government Agencies: The Internal Revenue Service (IRS) will need to update forms, software, and guidance for the 2026 tax year, with minimal long-term administrative burden due to permanence. The U.S. Treasury could see increased revenue (estimates not provided in the bill) from the new top rate, potentially funding government programs without raising rates on most Americans.
• On International Relations: Minimal direct impact, though higher taxes on high earners (including expatriates or multinational executives) might influence U.S. competitiveness for global talent or investment compared to lower-tax countries.

Main Stakeholders Affected

• Individual Taxpayers: Especially high-net-worth individuals, families, and single filers in upper brackets who will pay more on marginal income; lower-income groups benefit from unchanged low rates.
• Families and Households: Married couples and heads of households gain from adjusted brackets that reduce marriage penalties in mid-level incomes.
• Estates and Trusts: Beneficiaries and trustees face compressed brackets with higher rates starting at lower thresholds (~$2,550–$12,500), increasing taxes on investment income.
• Government Entities: IRS for implementation; Congress and Treasury for revenue and policy oversight.
• Businesses and Advisors: Tax professionals, accountants, and financial planners who must adapt to new calculations; indirectly, corporations with executive compensation tied to personal taxes.

Notable Legal, Constitutional, or Political Implications

• Legal: Fully complies with congressional authority under Article I, Section 8 of the Constitution to lay and collect taxes. The bill's amendments to the Internal Revenue Code are straightforward and do not introduce new enforcement mechanisms, but could face challenges if perceived as retroactive (though it applies prospectively from 2026).
• Constitutional: Reinforces progressive taxation principles upheld in cases like Brushaber v. Union Pacific Railroad (1916), ensuring rates are uniform and not arbitrary. No equal protection issues, as brackets are based on income levels and filing status.
• Political: Bipartisan sponsorship (by Reps. Fitzpatrick and Golden) signals potential cross-aisle appeal for "fairness" reforms, but the higher top rate may spark debate on economic growth vs. revenue equity. Permanence avoids future cliff effects from TCJA sunsets, stabilizing tax policy but locking in structure amid fiscal pressures like national debt.

This summary was generated by AI and may contain inaccuracies. Refer to the official source document for the authoritative text.

Sponsor

Rep. Fitzpatrick, Brian K. [R-PA-1]

Cosponsors (1)

Rep. Golden, Jared F. [D-ME-2]

Recent Actions

• 2025-07-02: Referred to the House Committee on Ways and Means.
• 2025-07-02: Introduced in House
• 2025-07-02: Introduced in House

Bill Versions

• Bipartisan Tax Fairness Act of 2025 — issued 2025-07-02 — PDF (5 pages)