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Official form guide
Form 13206 is the IRS application for an automatic 6‑month extension to file certain corporate income tax returns, primarily Form 1120‑F (U.S. income tax return of a foreign corporation). Use it when you need more time to complete the return.
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Start filling →Form Overview
Form 13206 is the IRS application for an automatic 6‑month extension to file certain corporate income tax returns, primarily Form 1120‑F (U.S. income tax return of a foreign corporation). Use it when you need more time to complete the return.
Plain English
If a foreign corporation can’t finish its U.S. tax return by the original due date, it can ask the IRS for extra time with this short form. Filling it out gives you a new deadline without having to wait for a separate approval.
Submission Date
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Extension for Form 1120‑S
Covers S‑corporations, not foreign corporations
✓ Verify corporation type first
Late filing without extension
May incur penalties
✓ Confirm penalty relief eligibility
The extension request must be received by the IRS on or before the original filing deadline of the related Form 1120‑F, typically the 15th day of the 4th month after the corporation’s tax year ends. If the deadline is missed, the extension is not granted and penalties may apply.
Checklist
Corporation name
Articles of incorporation or tax return header · Form 1120‑F
Employer Identification Number
EIN confirmation letter · IRS notice
Original due date
Form 1120‑F filing instructions · Return cover page
Signature
Authorized officer signature block · Corporate resolution
Field map
General Info
2 items
Full legal name and taxpayer identification number (SSN or EIN).
Current mailing address.
Details
2 items
Complete all applicable sections of this form according to the official IRS instructions.
Enter the relevant dollar amount if this form involves tax calculation.
Certification
1 items
Read and acknowledge any certifications required by this form.
Signatures
1 items
Sign and date. Unsigned forms cannot be processed.
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Fillable formOpen in Editor->Form 13206 is currently active for the 2024 tax year. The IRS updates the form annually; verify the edition date before filing.
Quick Facts
Downloads
Extension period
Users think they can request any length
→ Only a 6‑month automatic extension is allowed
Who can sign
Some think any employee can sign
→ Only an authorized corporate officer may sign
Mailing address
Multiple IRS addresses exist
→ Use the address listed in the Form 13206 instructions for your return type
Electronic filing
Assumed e‑file is possible
→ No e‑file option; must be mailed
Form version
Old PDF may be used unintentionally
→ Verify edition date matches the current tax year
Workflow map
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Current
After
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