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Official form guide
Form 8872 is the IRS request for an automatic 6‑month extension to file Form 1120‑F (U.S. Income Tax Return of a Foreign Corporation) and related schedules. Use it when a foreign corporation cannot meet the original filing deadline.
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Form 8872 is the IRS request for an automatic 6‑month extension to file Form 1120‑F (U.S. Income Tax Return of a Foreign Corporation) and related schedules. Use it when a foreign corporation cannot meet the original filing deadline.
Plain English
If a foreign company needs more time to finish its U.S. corporate tax return, it files Form 8872. The form asks the IRS for a six‑month grace period, but it does not extend any tax payments that are due.
Submission Date
AI co-pilot
Form selector
Short tax year filing
Requires a different schedule for short periods
✓ Verify tax year length first
Extension for partnership return
Applies to Form 1065, not 1120‑F
✓ Use only for domestic partnerships
The extension request must be received by the IRS on or before the original due date of the Form 1120‑F return. If mailed, postmark counts; if e‑filed, transmission timestamp counts. The extension, if granted, adds six months to the filing deadline but does not extend payment deadlines.
Checklist
Corporation name
Articles of incorporation or IRS records · Form 8872 header
Employer Identification Number
IRS EIN assignment letter · EIN field
Tax year end
Prior year 1120‑F · Tax year field
Signature
Authorized officer signature · Signature line
Field map
Entity Info
1 items
Name and taxpayer ID of the entity claiming the credit.
Credit Info
1 items
Type of credit or incentive being claimed.
Calculation
2 items
The base amount used to calculate the credit.
Calculated credit amount after applying formulas and limitations.
Certification
1 items
Detailed breakdown supporting the credit calculation.
Signatures
1 items
Sign and date the form.
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Fillable formOpen in Editor->Form 8872 is a static request; it does not change after filing. The IRS will send a confirmation if the extension is granted.
Quick Facts
Downloads
Extension vs. payment deadline
Many think the extension also postpones tax due date
→ Verify payment must be made by original deadline
Form 8872 vs. Form 8868
Both request extensions but apply to different return types
→ Check the underlying return type
Six‑month vs. longer extensions
Only a six‑month automatic extension is granted
→ Request a longer extension via private letter ruling
Electronic filing availability
Not all IRS centers accept e‑filing for 8872
→ Review current e‑file guidelines
Short tax year filing
Different schedule may be required
→ Confirm with Form 1120‑F instructions
Workflow map
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