Step by Step Instructions
For New ITIN Applications:
- Verify that all information is accurate and matches your supporting documentation.
- Complete the W-7 form through the Online Application.
- Include your original federal tax return(s) for which the ITIN is required. Attach the W-7 PDF we send to you via e-mail, to the front of your tax return
- Leave the area of the SSN blank on the tax return for the person applying for the ITIN
- Include your original document(s) or certified copies. See Required Documents
- If you are applying under an “EXCEPTION” make sure to review the tables HERE and include any additional required documentation for your particular exception.
- Send your packet (W-7, 1040 tax return, and Documentation) to the IRS. See below details.
For ITIN Renewal Applications:
- Verify that all information is accurate and matches your supporting documentation.
- You've completed the W-7 form through the Online Application.
- Include your original document(s) or certified copies. See Required Documents
- Send your packet (W-7 and Documentation) to the IRS. See below details.
For both New and Renewal ITIN applications, Mail All packages using USPS (United States Postal Service) to:
Internal Revenue Services
ITIN Operations
PO Box 149342
Austin, Texas 78741-9342
If you choose to use a different parcel service (FedEx, UPS, ect.), use the following address:
Internal Revenue Services
ITIN Operations
Mail Stop 6090-AUSC
3651 S Interregional, Hwy 35
Austin, Texas 78741-0000
Option - In person Filing: Instead of mailing in your application, you also have the option to bring your application in person at a designated IRS Taxpayer Assistance Center (TAC).
List of designated TACs that offer ITIN document authentication services by city and state: https://www.irs.gov/uac/tac-locations-where-in-person-document-verification-is-provided
Appointments are required. Appointments can be scheduled by calling 844-545-5640.
All applicants applying for an ITIN (individuals and dependents) need to be present for the appointment. If you use a Passport, or one of the required documents outlined above, the TAC will be able to verify the document and return the original document to you the same day.