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Official form guide
Form W-8ECI is an IRS certificate used by foreign persons or entities to claim exemption from withholding on income that is effectively connected with a U.S. trade or business. File it with the withholding agent before any U.S. source income is paid.
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Form W-8ECI is an IRS certificate used by foreign persons or entities to claim exemption from withholding on income that is effectively connected with a U.S. trade or business. File it with the withholding agent before any U.S. source income is paid.
Plain English
If you’re a non‑U.S. individual or company earning money that the IRS treats like a U.S. business profit, you give this form to the payer so they don’t take the 30% tax up front. It tells the IRS you’re paying U.S. tax on that income through your own return.
Submission Date
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Glossary Terms
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Form selector
Passive dividend or interest
For non‑effectively connected income
✓ Verify the nature of the income first
Foreign government or tax‑exempt organization
Claims exemption from withholding on specific types of income
✓ Confirm eligibility for exemption
The form must be provided before the first payment of effectively connected income. If the information changes, submit a new form promptly. The form expires after three years from the date signed, unless a change occurs sooner.
Checklist
Part I – Name and address
Passport, corporate charter, or registration document · Identification documents
Part I – U.S. TIN
SSN, ITIN, or EIN · IRS issuance letter
Part II – Certification statement
Tax return filing status or tax treaty claim · Prior year U.S. tax return
Signature block
Authorized officer signature · Corporate resolution or power of attorney
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->The form is active for the current tax year. No separate IRS filing is required unless the payer asks for it. Keep the copy for at least three years.
Quick Facts
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W‑8ECI vs. W‑8BEN
Many think both exempt withholding, but only W‑8ECI covers effectively connected income
→ Verify the income type first
Signature capacity
Users often sign as “owner” when they are an authorized officer
→ Use the exact title from corporate documents
U.S. TIN requirement
Some believe it’s optional, but the IRS expects a TIN if one exists
→ Check your IRS records before leaving blank
Expiration timing
People assume a one‑year validity
→ Remember the three‑year rule unless information changes
Where to send
Confusion between IRS address and payer address
→ Send only to the withholding agent
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After
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