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Official form guide
Form 5884 is the IRS application for an automatic 6‑month extension to file a U.S. corporate income tax return for foreign corporations (Form 1120‑F). Use it when you need more time to complete the return.
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Form 5884 is the IRS application for an automatic 6‑month extension to file a U.S. corporate income tax return for foreign corporations (Form 1120‑F). 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 regular deadline, it can ask the IRS for extra time with Form 5884. The form simply asks for basic identifying info and the reason you need the extension.
Submission Date
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Form selector
Domestic corporation needs extension
Applies to most U.S. corporate returns
✓ Verify corporation type first
Extension beyond 6 months needed
No automatic extension; must request consent
✓ Confirm IRS approval is required
The extension request must be received by the IRS on or before the original Form 1120‑F due date. If mailed, postmark counts; if e‑filed, the transmission timestamp counts. The extension automatically adds six months to the filing deadline.
Checklist
Corporation name
Articles of incorporation · Form 5884 header
EIN
IRS notice or prior return · Identification box
Tax year
Corporate charter or prior return · Tax year line
Signature
Authorized officer’s signature card · Signature line
Estimated tax payment
Bank statement or payment voucher · Payment attachment (if any)
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 5884 is currently the 2024 revision, effective for tax years beginning after January 1, 2024. No further updates have been issued for the 2025 filing season.
Quick Facts
Downloads
Extension length
Many think they can request more than six months
→ Verify the six‑month limit
Domestic vs. foreign corporation
Form 5884 is only for foreign entities
→ Use Form 7004 for domestic
Electronic filing availability
Not all foreign corporations can e‑file
→ Check IRS e‑file eligibility list
Payment requirement
Some think payment is optional
→ Pay any estimated tax to avoid interest
Mailing address
Different IRS centers for different filing locations
→ Use the address in the instructions
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