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The Daily Insight

How long does the IRS take to process ITIN?

Author

Henry Morales

Published Feb 25, 2026

How long does it take? You will receive a letter from the IRS assigning your tax identification number usually within seven weeks if you qualify for an ITIN and your application is complete.

How long does ITIN application take?

Outside of peak processing times (between January and April), it should take up to six weeks for an applicant to receive their ITIN. However, because most ITIN applications must be filed with tax returns, they are typically filed during peak processing times. As a result, it can take 8 to 10 weeks to receive an ITIN.

What do I need to apply for an ITIN?

How do I apply for an ITIN? You can file Form W-7, Application for IRS Individual Taxpayer Identification Number (ITIN), with your federal income tax return. You must also include original documentation or certified copies from the issuing agency to prove identity and foreign status.

How can I check the status of my ITIN application?

However, don’t forget that you can phone the IRS’s toll-free number and speak with representatives who can help you check the status of your Individual Tax Identification Number. Besides information on how you can check your ITIN status, ITIN W-7 Application offers a wide range of helpful features.

Can a notarized document be used for an ITIN application?

A notarized document is one that the taxpayer provides to a public notary who bears witness to the signing of the official document and affixes a seal assuring that the document is legitimate. These documents will not be accepted for ITIN applications. Note there are some applicants who are exempt from this change.

How long does it take to get letter from IRS for ITIN?

If the tax return you attach to Form W-7 is filed after the return’s due date, you may owe interest and/or penalties. How long does it take? You will receive a letter from the IRS assigning your tax identification number usually within seven weeks if you qualify for an ITIN and your application is complete.