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Official form guide
Form 14446‑VN is the Vietnamese language version of IRS Form 14446, an application for an automatic 6‑month extension to file a U.S. income‑tax return for a foreign corporation. Use it when the corporation needs more time to complete its Form 1120‑F filing.
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Form 14446‑VN is the Vietnamese language version of IRS Form 14446, an application for an automatic 6‑month extension to file a U.S. income‑tax return for a foreign corporation. Use it when the corporation needs more time to complete its Form 1120‑F filing.
Plain English
If a foreign company that must file a U.S. corporate tax return can’t finish the paperwork by the original deadline, it can ask the IRS for extra time with this form. The request is made in Vietnamese, but the IRS processes it the same as the English version.
Submission Date
AI co-pilot
Form selector
Requesting extension for partnership tax return
Partnership returns have a different extension process
✓ Verify partnership status first
Amending a previously filed Form 1120‑F
Extension form does not correct errors
✓ Use only for corrections
The extension request must be received by the IRS on or before the original Form 1120‑F due date (typically the 15th day of the 4th month after the tax year ends). If the deadline is unclear for a specific tax year, consult the Form 1120‑F instructions for that year.
Checklist
Corporation name
Articles of incorporation or legal name registration · Corporate documents
Employer Identification Number
IRS EIN assignment letter · EIN notice
Tax year end
Corporate financial calendar · Board resolution
Signature
Authorized officer’s signature · Corporate officer list
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->The IRS does not publish real‑time processing status for Form 14446‑VN. Retain the mailing receipt as proof of timely filing.
Quick Facts
Downloads
Extension vs. amendment
Users think the same form amends a return
→ Verify purpose before filing
Foreign corporation vs. partnership
Both may need extensions but use different forms
→ Check entity classification
Mailing address changes
IRS updates address periodically
→ Use the address in the current instructions
Signature authority
Some think any officer can sign
→ Only an authorized officer may sign
Tax year definition
Calendar vs. fiscal year confusion
→ Confirm the corporation’s fiscal year end
Workflow map
Before
Current
After
Often used with
⚠ If something goes wrong
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