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Official form guide
Form W-12 is the IRS request for an Employer Identification Number (EIN) for a foreign person or entity that needs a U.S. tax identification number. Use it when a foreign individual, partnership, corporation, or estate must report U.S. source income or be listed on a U.S. information return.
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Form W-12 is the IRS request for an Employer Identification Number (EIN) for a foreign person or entity that needs a U.S. tax identification number. Use it when a foreign individual, partnership, corporation, or estate must report U.S. source income or be listed on a U.S. information return.
Plain English
If you are not a U.S. resident but the IRS needs to assign you a tax ID, you fill out Form W‑12. It collects basic identity and contact details so the IRS can issue an EIN that you’ll use on future tax forms.
Submission Date
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Glossary Terms
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Form selector
U.S. resident needs EIN
Domestic EIN request
✓ Verify residency status first
Foreign person already has EIN
Existing EIN can be used
✓ Confirm number is active
There is no fixed calendar deadline. File W‑12 as soon as you learn an EIN is required, ideally before the first U.S. payment is made. Delays can trigger backup withholding on the payer’s side.
Checklist
Name line
Legal name as on passport · Passport, government ID
Foreign address
Street, city, country · Utility bill, bank statement
Entity type checkbox
Individual, corporation, partnership, etc. · Formation documents
Reason for EIN
e.g., FATCA reporting · Contract or payer request
Signature
Handwritten signature · Signed copy of form
Field map
Personal Info
2 items
Your legal name and current mailing address.
Your taxpayer identification number — must match IRS records.
Filing Status
1 items
Single, Married Filing Jointly, or Head of Household (for withholding purposes).
Dependents
1 items
Number of qualifying children and other dependents.
Adjustments
1 items
Additional income not from jobs or adjustments to withholding.
Withholding
1 items
Additional amount you want withheld from each paycheck.
Certification
1 items
Your tax entity type: Individual, Corporation, Partnership, etc.
Signatures
1 items
Sign and date to certify under penalty of perjury.
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Fillable formOpen in Editor->Form W‑12 is active for the 2024 tax year. The IRS updates the form as needed; always verify the edition date before filing.
Quick Facts
Downloads
W‑12 vs. SS‑4
Foreign vs. domestic requester
→ Verify residency status before choosing
Entity type boxes
Multiple boxes look similar
→ Check formation documents for exact classification
Reason for EIN
Vague descriptions cause delays
→ Use the specific reason given by the payer
Signature requirement
Some think electronic signature works
→ Only handwritten ink signatures are accepted
Mailing address
Two IRS addresses exist for different purposes
→ Use the address listed in the current W‑12 instructions
Workflow map
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Current
After
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