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Official form guide
Form 1120-FH is the U.S. income tax return for foreign corporations that have a branch, office, or other fixed place of business in the United States. File it when the foreign corporation has U.S.-source income that is not effectively connected with a U.S. trade or business.
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Form 1120-FH is the U.S. income tax return for foreign corporations that have a branch, office, or other fixed place of business in the United States. File it when the foreign corporation has U.S.-source income that is not effectively connected with a U.S. trade or business.
Plain English
If a company based outside the U.S. runs a branch or office here and earns money from U.S. sources, it must report that money on Form 1120-FH. The form tells the IRS how much tax is owed on that income.
Submission Date
AI co-pilot
Form selector
Foreign corporation with only effectively connected income
Requires Schedule J for ECI allocation
✓ Verify income type before switching
U.S. subsidiary of a foreign parent filing consolidated return
Consolidated filing rules differ
✓ Confirm parent‑subsidiary relationship
The return is due the 15th day of the fourth month after the end of the corporation’s tax year. For a calendar‑year filer, that is April 15. Extensions can be requested using Form 7004, extending the deadline by six months. Late filing may incur a 5% per‑month penalty.
Checklist
Line 1 – Gross income
Invoices, contracts, bank statements · Financial records
Schedule H – Branch profit allocation
Branch ledger, intercompany agreements · Branch accounting
Tax credit lines
Credit certificates, foreign tax paid statements · Credit documentation
Signature block
Corporate officer signature, corporate seal · Physical signature page
Field map
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-FH is currently in the 2024 edition, reflecting updates to tax rates and filing instructions. Verify the edition date on the first page before proceeding.
Quick Facts
Downloads
Effective connection vs. non‑effective connection
Misunderstanding of tax nexus
→ Review IRS definitions in the instructions
Schedule H requirement
Not clear when a branch needs a separate allocation
→ Confirm branch existence and profit allocation rules
Tax year alignment
Foreign corporation may use a fiscal year different from calendar
→ Verify the declared tax year on the form
Foreign tax credit eligibility
Credits may be limited by U.S. tax liability
→ Use the credit limitation worksheet in the instructions
Signature authority
Who is authorized to sign for a foreign entity
→ Check corporate bylaws and power of attorney
Workflow map
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