Trout CPA Blog | Tax & Business-Related Topics

Current Law vs. Finalized Provisions in the 2025 Tax Reform

Written by Trout CPA | Jul 9, 2025 1:55:18 PM

Written by Robin Bodine, CPA and Dustin Peck, CPA

The final version of the 2025 tax reform bill, signed into law on July 4, 2025, marks the culmination of extensive negotiations between the House and Senate. In this blog post, we break down and compare the most impactful individual, business, and energy-related tax provisions and what they mean for taxpayers, businesses, and investors.

Individual Tax Reforms

Tax Brackets and Standard Deduction

The final law makes the 2017 Tax Cuts and Jobs Act (TCJA) brackets permanent, preserving the current seven-bracket system. It also extends inflation adjustments, including an additional year for the lower brackets. The standard deduction increases are permanent, and personal exemptions remain eliminated. 

Provision

Current Law

 Final 2025 Tax Legislation 

Tax Brackets

 TCJA tax brackets expire after 2025, reverting to pre-TCJA levels (39.6% highest tax bracket) 

 Makes TCJA tax brackets permanent: 10%, 12%, 22%, 24%, 32%, 35%, 37% 

Standard Deduction

 Reverts to lower pre-TCJA levels after 2025 (Approximately ½ of the current standard deduction 

 Permanently increased to: Single/Married Separate - $15,750 Head of Household - $23,625 Married Filing Joint - $31,500 (Indexed for inflation)

Personal Exemption

 Suspended 2018–2025; returns in 2026 

Deduction is permanently terminated 

Car Loan Interest

Not deductible

 2025 to 2028 allows a deduction up to $10,000 of interest on new car loans assembled in the U.S. 

 

Child Tax Credit (CTC) and Senior Deduction

The final law adopts a permanent, indexed Child Tax Credit increase and a more generous senior deduction, phased out at higher income levels. 

Provision

Current Law

Final 2025 Tax Legislation

Child Tax Credit

$2,000 per child; reverts to $1,000 after 2025 

$2,200 (2025 onward) indexed after 2025; stricter SSN rules

Senior Deduction

Additional standard deduction of $2,000 for age 65 or older 

$6,000 (2025–2028) income phaseout -$75,000 (single) / $150,000 (married filing jointly)

 

Business & Passthrough Entity Tax Changes

Qualified Business Income (QBI) Deduction, Research & Development (R&D) Expensing, and Interest Deductions

The final legislation retains the 20% QBI deduction with expanded phase-out thresholds and makes both bonus depreciation and domestic R&D expensing permanent. It also permanently modifies interest expense limitations to 30% of earnings before interest, taxes, depreciation, and amortization (EBITDA). 

Provision

Current Law

Final 2025 Tax Legislation

QBI Deduction

20% deduction; expires after 2025 

 20% deduction, permanent 

Section 179

Section 179 deduction up to $1,160,000 with the deduction reduced dollar for dollar once equipment purchases exceed $2,890,000 

Section 179 deduction up to $2,500,000 with the deduction reduced dollar for dollar once equipment purchases exceed $4,000,000 i.e., purchase $5,000,000 of equipment in a year the deduction is limited to $1,500,000 

Bonus Depreciation

80% in 2023; phased down to 0% after 2026. 40% in 2025 

Permanently extends 100% bonus depreciation for property placed in service after Jan 19, 2025 

R&D Expensing

5-year amortization for domestic; 15-year amortization for foreign 

Permanent expensing for domestic only; amortization continues for foreign. Provides retroactive relief for R&D capitalized after December 31, 2021 

Business Interest Deduction Limitation (163(j))

30% of Earnings Before Interest and Taxes 

Permanent - 30% of Earnings Before Interest, Taxes, Depreciation and amortization

Excess Business Loss Limitation (461)

Through 2028 limits business losses; Disallowed losses convert to a net operating loss in the next year 

461 limitation is permanent 

Small Business Accounting Methods

$31M gross receipts threshold, indexed for inflation

 No change 

State income tax nexus

Public Law 86-272 Protection 

No change - final bill did not expand the “solicitation” definition to include supportive activities

 

Passthrough Entity Tax (PTET)

The final law retains PTET benefits for passthroughs, including specified service trades or businesses (i.e. doctors, lawyers, etc.).

Provision

Current Law

 Final 2025 Tax Legislation

PTET for Specified Service Trade or Business

    Not specifically disallowed

 No change – final bill did not limit PTET for SSTB 

 

SALT Cap and Itemized Deductions

The final law increases the SALT deduction cap through 2029, and then reverts it to the current law – 10k limit in 2030. It also replaces the Pease limitation with a uniform cap on top-bracket itemized deductions. 

Provision

Current Law

Final 2025 Tax Legislation

SALT Cap

$10,000 cap

 Increased to $40,000 per household for incomes under $500,000; after 2029 $10,000 limit 

Mortgage Interest

$750,000 acquisition debt limit expires after 2025 

 $750,000 limit is permanent 

Charitable Contributions - nonitemizers

 No deduction 

After 2025, a permanent above the line deduction of $1,000 for individuals and $2,000 for married couples 

Floor on Charitable Contributions - itemizers

 No floor 

For taxable years after 2025 individual’s charitable contributions are reduced by 0.5% of taxpayer’s contribution base (generally Adjusted Gross Income) 

Miscellaneous Itemized Deductions

Suspended through 2025; return in 2026. 

Permanently suspended; After 2025, deduction for unreimbursed employee expenses for eligible educators is added to the list of itemized deductions

Overall Itemized Deduction Limitation

 Reinstated after 2025 

Itemized deductions will be reduced by 2/37 of the lesser of:
•    Total itemized deductions
•    Taxable income above 37%          tax bracket

Wagering Losses

 Limited to amount of winnings

Deduction limited to 90% of losses but only to the extent of gains from wagering transactions

 

Clean Energy Incentives

The final law enacts substantial changes and reductions to the green energy tax provisions originally established under the Inflation Reduction Act (IRA).

Provision

Current Law

 Final 2025 Tax Legislation

Energy efficient commercial buildings deduction (179D) i.e. deduction for installing energy efficient systems in commercial and certain tax exempt entities

Up to $5/sq ft deduction

 No deduction for property that begins construction after June 30, 2026 

Energy efficient home credit (25C) i.e. windows, doors, heat pumps, etc.

30% of costs; $1,200 annual cap; expires 2032

No credit for property placed in service after December 31, 2025 

Residential Clean Energy Credit (25D) i.e. solar, geothermal, etc.

 30% of costs; expires 2034

No credit for property placed in service after December 31, 2025 

Previously Owned Clean Vehicle Credit (25E) i.e. electric vehicle

Up to $4,000; expires 2032

No credit for property placed in service after September 30, 2025 

Clean Vehicle Credit (30D) i.e. electric vehicle

Up to $7,500; expires 2032

 No credit for vehicles acquired after September 30, 2025 

New Energy Efficient Home Credit (45L) i.e. credit for builders/developers who construct or substantially renovate energy efficient residential homes

 Max $5,000 credit; expires 2032 

No credit for homes acquired after June 30, 2026 

Credit for Qualified Commercial Clean Vehicles (45W) i.e. business electric vehicle

Max $40,000 credit; expires 2032

No credit for vehicles acquired after September 30, 2025 

 

Estate, AMT, and Other Miscellaneous Provisions

The final law increases the estate tax exemption and permanently indexes it for inflation. It also enhances AMT thresholds with a steeper phaseout rate and enacts new permanent reforms to individual tax relief measures. 

Provision

Current Law

 Final 2025 Tax Legislation 

Estate Tax Exemption

2025 - $13.99 million; reverts to approximately $7 million in 2026 

Increased to $15 million (indexed starting in 2026); made permanent

Alternative Minimum Tax (AMT) Exemptions

 Higher thresholds expire after 2025 

Permanently extends higher exemption amounts; increases phaseout rate to 50% vs currently 25%, increasing the claw-back for higher income filers 

Individual Income Tax Deduction for Tips

 No deduction 

Tax years 2025 to 2028 deduction capped at $25,000 phased out starting at $150,000 (single) / $300,000 (joint) adjusted gross income

Tip Credit

 FICA tip credit for food & beverage employers

Expands to beauty services starting in 2025

Individual Income Tax Deduction for Overtime

 No deduction 

Tax years 2025 to 2028 deduction capped at $12,500 ($25,000 joint) phased out starting at $150,000 (single) / $300,000 (joint) adjusted gross income 

Tax Credit for Contributions to Scholarship Granting Organizations

 No credit 

Tax years after 2025 nonrefundable tax credit limited to $1,700

 

Key Takeaways for Stakeholders

Taxpayers will generally benefit from lower taxes, with additional targeted relief from permanent inflation indexing, enhanced child tax credit refundability, and a higher senior deduction. 

Business owners may appreciate the permanence of 100% bonus depreciation, domestic R&D expensing, a return to EBITDA-based interest deductions, and the QBI rate remaining at 20%.

Our team is ready to assist you in navigating and maximizing the benefits of the 2025 tax legislation. Reach out to your contact at Trout CPA or contact us to speak with one of our professionals.