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Official form guide
Form W‑7A is the IRS application for an Individual Taxpayer Identification Number (ITIN) for a nonresident alien who is not eligible for a Social Security Number but needs an ITIN for tax reporting. Use it when you must file a U.S. tax return or claim a tax benefit and you have no SSN.
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Form W‑7A is the IRS application for an Individual Taxpayer Identification Number (ITIN) for a nonresident alien who is not eligible for a Social Security Number but needs an ITIN for tax reporting. Use it when you must file a U.S. tax return or claim a tax benefit and you have no SSN.
Plain English
If you’re not a U.S. citizen, don’t have a Social Security Number, but the IRS still needs a taxpayer ID for you, you fill out Form W‑7A. The form asks for basic personal data and requires original or certified documents to prove your identity and foreign status. Once approved, you’ll receive a nine‑digit ITIN that you attach to your tax return.
Submission Date
AI co-pilot
Form selector
Applying for an ITIN without a tax return attached
Allows a stand‑alone ITIN request
✓ Verify that a valid reason (e.g., treaty claim) exists
Need a SSN for work eligibility
Social Security Number application, not an ITIN
✓ Ensure you are eligible for an SSN before switching
The IRS does not set a separate deadline for Form W‑7A; it must be filed with the tax return it supports. If you need the ITIN for a credit, attach the form before the tax return due date (typically April 15). Late submission may forfeit the credit for that year.
Checklist
Full legal name
Passport or national ID · Front page of passport
Date of birth
Birth certificate or passport · Birth certificate copy
Foreign tax ID (if any)
Foreign tax authority notice · Tax notice
Identity document
Original passport or certified copy · Passport
Signature
Hand‑signed on form · Applicant signature
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‑7A is currently in its 2024 revision, effective January 1 2024. The IRS updates the form annually; verify the edition date before filing.
Quick Facts
Downloads
ITIN vs. SSN
Applicants think any number works
→ Verify you are ineligible for an SSN
Original vs. certified copy
Some think photocopies are fine
→ Only originals or certified copies accepted
Need for tax return
Some believe a stand‑alone request is always allowed
→ Only allowed with a valid reason
Passport expiration
Applicants use expired passport
→ Must be current or have a certified copy of a valid ID
Signature requirement
Some leave it blank for minors
→ A parent/guardian must sign on the minor’s behalf
Workflow map
Before
Current
After
Often used with
⚠ If something goes wrong
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