The Qualified Business Income Deduction (IRC §199A): The 20% Pass-Through Deduction After the 2025 Law
In Short
The Qualified Business Income Deduction under IRC §199A lets eligible owners of sole proprietorships, partnerships, S corporations and some trusts deduct up to 20% of their qualified business income. It is used by most pass-through business owners, and the 2025 law made it permanent.
TL;DR
- Eligible taxpayers can deduct up to 20% of qualified business income plus 20% of qualified REIT dividends and publicly traded partnership income [1][2].
- The deduction is taken whether or not the taxpayer itemizes [2].
- Above a taxable income threshold — $197,300, or $394,600 for joint returns, for 2025 — wage and property limits and the specified service business rules phase in [1][3].
- Public Law 119-21 removed the deduction's 2025 end date, widened the phase-in ranges and added a $400 minimum deduction, starting with tax years beginning after 2025 [1].
Quick Facts
| Legal Reference | IRC §199A |
|---|---|
| Complexity | Medium |
| Audit Risk | Low |
| Setup Cost | None — figured on the return (Form 8995 or 8995-A) |
| Time to Implement | Figured each year when the return is prepared |
| Illustrative Example | Illustrative example, not a projection. A single sole proprietor has $100,000 of qualified business income and taxable income below the 2025 threshold. The deduction is generally 20% of the business income, or $20,000, limited to 20% of taxable income minus net capital gain. Actual results depend on the facts and the tax rates involved. |
Key Numbers & Limits
| Item | Limit or Rule | Notes |
|---|---|---|
| Deduction Rate | Up to 20% of qualified business income | Plus 20% of qualified REIT dividends and PTP income [1][2]. |
| 2025 Threshold (Form 8995 Limit) | $197,300; $394,600 married filing jointly | Taxable income before the deduction [3]. |
| Phase-In Range (2025) | $50,000; $100,000 joint | Statute amount before P.L. 119-21 [1]. |
| Phase-In Range (Tax Years Beginning After 2025) | $75,000; $150,000 joint | P.L. 119-21 [1]. |
| Wage/Property Limit | Greater of 50% of W-2 wages, or 25% of W-2 wages plus 2.5% of UBIA of qualified property | Applies above the threshold [1]. |
| Minimum Deduction (Tax Years Beginning After 2025) | $400 | If active QBI is at least $1,000 [1]. |
What Is the Qualified Business Income Deduction?
The Qualified Business Income Deduction, also called the QBI deduction or the section 199A deduction, lets eligible individuals, trusts and estates deduct up to 20% of their qualified business income from a domestic trade or business operated as a sole proprietorship, partnership, S corporation, trust or estate [1][2]. A second part covers 20% of qualified REIT dividends and qualified publicly traded partnership income [1][2].
Qualified business income is the net income from a qualified trade or business. It does not include investment items such as capital gains, most dividends and interest income, wages earned as an employee, or reasonable compensation paid to an S corporation owner [1][2]. C corporation income does not qualify [2].
The deduction was created in 2017 and was set to expire after 2025. The One Big Beautiful Bill Act (Public Law 119-21) removed that end date. For tax years beginning after December 31, 2025, it also widened the phase-in ranges from $50,000 to $75,000 ($100,000 to $150,000 for joint returns) and added a minimum deduction of $400 for taxpayers with at least $1,000 of qualified business income from businesses in which they materially participate [1].
How Does the Qualified Business Income Deduction Work?
- Each qualified business's income is measured, net of deductions such as the deductible part of self-employment tax and retirement contributions [2].
- If taxable income is at or below the threshold — $197,300, or $394,600 for joint returns, for 2025 — the deduction is generally 20% of QBI, and Form 8995 is used [1][3].
- Above the threshold, the deduction for each business is limited to the greater of 50% of its W-2 wages, or 25% of W-2 wages plus 2.5% of the unadjusted basis of qualified property, phased in over the phase-in range [1].
- For a specified service trade or business — such as health, law, accounting, consulting, financial services or a business whose main asset is the skill or reputation of its owners — the deduction phases out over the same range and is not available above it [1].
- The total deduction is also limited to 20% of taxable income minus net capital gain; above the threshold Form 8995-A is used [1][3].
The Good: What Are the Benefits of the Qualified Business Income Deduction?
- A deduction of up to 20% of business income lowers the effective tax rate on pass-through profit [1].
- It is available whether the taxpayer itemizes or takes the standard deduction [2].
- Public Law 119-21 made the deduction permanent, so it no longer ends after 2025 [1].
- Below the threshold, the wage, property and specified service rules do not apply [1].
The Bad: What Are the Drawbacks of the Qualified Business Income Deduction?
- Specified service businesses lose the deduction once taxable income is above the phase-in range [1].
- Above the threshold, businesses with few employees and little equipment may get a smaller deduction because of the wage and property limit [1].
- The deduction does not reduce self-employment tax or adjusted gross income; it reduces taxable income [2].
- Calculations become complex with several businesses, losses carried forward or aggregation [3].
The Ugly: What Are the Serious Risks of the Qualified Business Income Deduction?
- An S corporation that underpays owner wages to increase QBI risks recharacterization of distributions as wages, with employment taxes and penalties [1][4].
- For any taxpayer who claims the deduction, the threshold for a “substantial understatement” penalty is lower — 5% of the correct tax instead of 10% (or $5,000 if greater) — so the 20% accuracy-related penalty applies sooner [5].
- Misclassifying a specified service business as a non-service business can lead to disallowance and accuracy-related penalties [1][5].
Who Uses the Qualified Business Income Deduction?
Who It's Commonly Used By
What Are the Key Rules & Requirements for the Qualified Business Income Deduction?
- The deduction is up to 20% of qualified business income from a qualified trade or business, plus 20% of qualified REIT dividends and PTP income [1].
- The overall deduction cannot exceed 20% of taxable income minus net capital gain [1].
- Above the threshold amount, the W-2 wage and qualified property limits apply, phased in over $50,000 ($100,000 joint) for 2025 and $75,000 ($150,000 joint) after 2025 [1].
- Specified service businesses lose eligibility as taxable income moves through the phase-in range [1].
- Qualified business income excludes employee wages, reasonable compensation from an S corporation and fixed §707(c) payments to partners for services [1].
- For tax years beginning after 2025, a taxpayer with at least $1,000 of active QBI gets a minimum $400 deduction [1].
- Form 8995 is used at or below the threshold; Form 8995-A above it [3].
What Are Common Mistakes & Red Flags With the Qualified Business Income Deduction?
- Including W-2 wages from a job in qualified business income [1].
- Ignoring the specified service business rules for a consulting, health or financial practice [1].
- Lowering S corporation owner wages only to increase the deduction [4].
- Using Form 8995 when taxable income is above the threshold [3].
- Forgetting to carry forward qualified business losses from a prior year [3].
Frequently Asked Questions
Is the QBI Deduction Permanent Now?
Yes. Section 199A had said the deduction would not apply to tax years beginning after December 31, 2025. Public Law 119-21 replaced that provision, so the deduction continues [1].
What Is the QBI Income Threshold for 2025?
For 2025, the threshold is $197,300, or $394,600 for married filing jointly, measured as taxable income before the deduction [3]. Above it, the wage and property limits and the specified service rules start to apply [1].
Do Consultants and Doctors Qualify for the QBI Deduction?
They can, if taxable income is below the threshold. Health, law, accounting and consulting are specified service businesses, whose deduction phases out above the threshold and ends above the phase-in range [1].
What Changed for the QBI Deduction Under the 2025 Tax Law?
Public Law 119-21 made the deduction permanent. For tax years beginning after 2025, it widened the phase-in ranges to $75,000 ($150,000 joint) and added a $400 minimum deduction for taxpayers with at least $1,000 of active qualified business income [1].
Sources
- 26 U.S. Code §199A — Qualified Business Income — Legal Information Institute, Cornell Law School
- Qualified Business Income Deduction — Internal Revenue Service
- Instructions for Form 8995 (2025) — Internal Revenue Service
- S Corporation Compensation and Medical Insurance Issues — Internal Revenue Service
- 26 U.S. Code §6662 — Imposition of Accuracy-Related Penalty on Underpayments — Legal Information Institute, Cornell Law School
Primary sources only: the Internal Revenue Code, Treasury regulations and official agency guidance. Read how Zentavos researches these reports.