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Business taxation

Can all types of self-employment income be included in the QBI deduction calculation?

Last updated: 
Sep 2025
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Answer

No, not all types of self-employment income can be included in the Qualified Business Income (QBI) deduction calculation. The QBI deduction under section 199A is subject to specific rules regarding what constitutes QBI and which types of income are eligible. Here is a detailed explanation based on the relevant legal sources:

1. Definition of QBI

QBI is defined as the net amount of qualified items of income, gain, deduction, and loss with respect to any qualified trade or business of the taxpayer, provided the other requirements of section 199A are satisfied. The income must be effectively connected with the conduct of a trade or business within the United States and included or allowed in determining taxable income for the taxable year.

2. Types of Self-Employment Income Included in QBI

Generally, QBI includes:- Ordinary income from a sole proprietorship, partnership, S corporation, or certain trusts and estates, to the extent it is effectively connected with a U.S. trade or business and included in taxable income.- Deductions attributable to the trade or business, such as the deductible part of self-employment tax, self-employed health insurance deduction, and contributions to qualified retirement plans, to the extent they are attributable to the trade or business.

3. Types of Self-Employment Income Excluded from QBI

The following types of self-employment income are excluded from QBI:- Wage income (amounts received as an employee, not as a business owner).- Reasonable compensation paid to S corporation shareholders for services rendered.- Guaranteed payments to partners for services rendered to the partnership.- Payments to a partner for services other than in a capacity as a partner (section 707(a) payments).- Investment items, such as capital gains or losses, dividends, and interest income not properly allocable to a trade or business.- Income not effectively connected with the conduct of a trade or business within the United States.- Commodities transactions or foreign currency gains or losses.- Income, loss, or deductions from notional principal contracts.- Annuities (unless received in connection with the trade or business).- Qualified REIT dividends and qualified PTP income (these are subject to a separate 20% deduction component, not included in QBI).

4. Special Rules and Limitations

  • Specified Service Trades or Businesses (SSTBs): Income from SSTBs (such as health, law, accounting, consulting, etc.) is excluded from QBI for taxpayers with taxable income above certain thresholds. For taxpayers below the threshold, SSTB income may be included, and for those within the phase-in range, a partial inclusion applies.
  • Suspended Losses: Losses or deductions suspended under other Code provisions (e.g., at-risk, passive activity, excess business loss) are not included in QBI until they are allowed in computing taxable income. When allowed, only the portion attributable to QBI is included.
  • Net Operating Losses: Net operating loss deductions under section 172 are generally not considered with respect to a trade or business for QBI purposes, except for excess business losses under section 461(l), which are treated as a net operating loss carryover and included in QBI in the year deducted.

5. Examples of Excluded Self-Employment Income

  • Income as an employee: If you are paid as an employee (reported on Form W-2), this is not QBI.
  • S corporation shareholder salary: If you are an S corporation shareholder and receive a salary, this is not QBI.
  • Guaranteed payments: If you are a partner and receive guaranteed payments for services, these are not QBI.
  • Interest and dividends: Unless the interest is properly allocable to a trade or business, it is not QBI.

6. Summary Table

Type of Self-Employment Income Included in QBI? Notes
Sole proprietorship net business income Yes Must be effectively connected with U.S. trade or business
Partnership distributive share Yes Excludes guaranteed payments and payments for services as a partner
S corporation distributive share Yes Excludes reasonable compensation (salary)
Wage income (employee) No Not QBI
Guaranteed payments (partners) No Not QBI
S corporation shareholder salary No Not QBI
Investment income (capital gains, etc.) No Not QBI
Interest income (not allocable) No Not QBI unless allocable to trade or business
SSTB income (above threshold) No Excluded if above income threshold

7. Conclusion

Not all self-employment income qualifies for the QBI deduction. Only income that meets the definition of QBI under section 199A and the related regulations is eligible. Exclusions apply to wage income, guaranteed payments, reasonable compensation, investment income, and certain SSTB income, among others. Taxpayers must carefully review the nature of their income and the applicable rules to determine what can be included in the QBI deduction calculation.

If you have a specific type of self-employment income in mind, please provide more details for a more tailored analysis.

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