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Form 1120-FQ: 1120-F (Schedule Q)
Form 1120-FQ is Schedule Q attached to the foreign corporation’s Form 1120-F. It reports the qualified business income (QBI) deduction for a foreign corporation that has U.S. source income. File it with the 1120-F when the QBI deduction applies.
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IRS Form 1120-FQ - 1120-F (Schedule Q)
Form 1120-FQ is Schedule Q attached to the foreign corporation’s Form 1120-F. It reports the qualified business income (QBI) deduction for a foreign corporation that has U.S. source income. File it with the 1120-F when the QBI deduction applies.
Risk Radar
Scan points- 1A misplaced or omitted Schedule Q can trigger a penalty for underpayment of tax.
- 2Mis‑classifying income that is not QBI
- 3Using the wrong tax year for the QBI calculation
- 4Omitting the wage limitation worksheet when required
- 5Transferring the deduction to the wrong line on Form 1120‑F
Plain English
If a foreign company earns money in the U.S. and qualifies for the 20% QBI deduction, it must fill out Schedule Q. This schedule calculates the deduction and adds it to the regular foreign corporation tax return. It’s a separate page, not a stand‑alone form.
Submission Date
- Filing date: 2025-12-22 11:10:43
- Preparation window: collect IDs, supporting records, and signatures in advance.
- Final review: verify names, dates, and required fields before submission.
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What this form is for
- Use when a foreign corporation has U.S. qualified business income.
- Do not use if the corporation has no QBI or is exempt from the deduction.
- Check Form 1120‑F instructions for other schedules that may be required.
Form selector
Use this form or another form?
No QBI but other deductions
Reports other deductions
✓ Verify deduction type before filing
Corporation elects to be taxed as a partnership
Different filing entity
✓ Confirm election status
Deadline or filing window
Schedule Q is due together with the 1120‑F return, normally the 15th day of the fourth month after the tax year ends. If an automatic six‑month extension is filed, the extended deadline applies to the schedule as well. No separate deadline exists.
- —Qualified Business Income | QBI × 20% | QBI Deduction | Verify QBI source eligibility
Checklist
What you need before filling it out
Line 1 – QBI amount
Financial statements showing U.S. trade or business income · Income statement
Line 2 – Deduction calculation
Worksheet for taxable income limitation · Taxable income worksheet
Wage limitation worksheet
Payroll records for U.S. employees · Payroll register
Signature block
Authorized officer signature · Corporate resolution
Before you submit
- 1Confirm the corporation’s tax year matches the 1120‑F filing period
- 2Calculate QBI and ensure it meets the definition
- 3Complete the wage limitation worksheet if taxable income exceeds $164,900 (2024)
- 4Enter the 20% deduction on Schedule Q line 2
- 5Transfer the deduction amount to the proper line on Form 1120‑F
- 6Attach Schedule Q to the front of the 1120‑F packet
- 7Sign and date both the 1120‑F and Schedule Q
- 8Check that the correct IRS mailing address is used
- 9If e‑filing, verify the corporate e‑file ID is active
- 10Retain a copy of the completed schedule for records
How to file this form
- 1Gather U.S. source income statements and payroll data
- 2Compute qualified business income and the 20% deduction
- 3Fill out Schedule Q lines 1–2 and any required worksheets
- 4Attach Schedule Q to the completed Form 1120‑F
- 5Sign both forms and include any required power‑of‑attorney
- 6Mail to the IRS address for foreign corporation returns or submit electronically
- 7Track mailing receipt or e‑file confirmation
Known limitations
- 1The schedule does not calculate the wage limitation automatically; users must apply the worksheet.
- 2Only the 2024 edition is confirmed; later editions may change line numbers.
- 3No separate fee schedule; any penalty arises from the underlying 1120‑F.
- 4Instructions assume the corporation uses a calendar tax year unless otherwise noted.
Field map
Compact field-by-field guide
Entity Info
2 items
Full legal name of the corporation and its Employer Identification Number.
Current mailing address and date of incorporation.
Income
3 items
Total revenue from business operations before deducting costs.
Direct costs attributable to producing goods sold by the corporation.
Gross receipts minus cost of goods sold and returns/allowances.
Deductions
1 items
Sum of all business expenses including compensation, rent, interest, taxes, and depreciation.
Tax
2 items
Total income minus total deductions.
Tax calculated on taxable income using the applicable corporate tax rate, minus any credits.
Signatures
1 items
An authorized corporate officer must sign and date the return.
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Fillable formOpen in Editor->Form 1120‑F Schedule Q is currently in the 2024 edition of the IRS instructions. Verify the edition date before use. No filing fee is associated with the schedule itself.
What changed or needs a fresh check
- Edition date: verify the form is the 2024 version
- Fee: none for Schedule Q itself
- Mailing address: use the address in the 1120‑F instructions for the filing year
- Electronic filing eligibility: confirm the foreign corporation is approved for e‑file
- Signature requirement: both the 1120‑F and Schedule Q must be signed
Quick Facts
Downloads
After you file
- 1Keep a signed copy of Schedule Q with the 1120‑F for at least three years.
- 2Monitor any IRS notices for QBI‑related adjustments.
- 3If the corporation amends the 1120‑F, also amend Schedule Q.
- 4Reconcile the QBI deduction with the corporation’s financial statements for internal audit.
- 5Update payroll records if wage limitation was applied.
Sources
- SRCIRS Instructions for Form 1120‑F (2024 edition)Schedule Q description
- SRCIRS Publication 535Qualified Business Income Deduction rules
- SRCIRS Revenue Procedure 2023‑45Foreign corporation QBI eligibility
- SRCIRS Form 1120‑F filing address list (2024)
- SRCIRS e‑File eligibility criteria for foreign corporations (2024)
- SRCIRS Penalty guidelines for missing or inaccurate Schedule Q (2024)
Common confusion points
QBI vs. ordinary income
QBI excludes capital gains and certain investment income
→ Verify income source categories
Wage limitation threshold
Threshold changes yearly
→ Use the correct year’s threshold from IRS tables
Line numbering
Schedule Q line numbers differ by edition
→ Cross‑check with the current instruction page
Eligibility of foreign corporations
Not all foreign entities qualify for the deduction
→ Review IRS definition of “qualified business income”
E‑file eligibility
Some foreign corporations cannot e‑file
→ Confirm eligibility before attempting electronic submission
Workflow map
Related forms and next steps
Before
Current
After
Often used with
⚠ If something goes wrong
- File Form 1120‑X to amend the 1120‑F and Schedule Q
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