ITIN Renewal and Expiration: Has Yours Expired?
One rule decides it, and it takes thirty seconds to check. Here is the rule, the way to test your own number against it, and what a return filed with a lapsed ITIN actually costs you.
Every rule on this page is cited to an IRS source, linked where it is used. Last read against those sources September 8, 2026.
An ITIN expires if it does not appear on a U.S. federal tax return for three consecutive tax years. One return in three years keeps it alive. So an ITIN that appeared on none of the 2023, 2024, 2025 returns expires on December 31, 2026. Renewing means filing Form W-7 again, marked as a renewal, with your supporting documents — and allowing 7 weeks, or 9–11 in filing season, for the answer.
Key takeaways
- One return in three years is enough. You do not need to file every year to keep the number.
- A lapsed ITIN does not get your return rejected. It gets it delayed, and it can cost you credits while you wait.
- Information returns are carved out. If your number only appears on a Form 1099 reporting payments to you, no renewal is needed.
- Renew in autumn, not January. The same application takes several weeks longer inside the January 15 through April 30 window.
- Renew the whole household at once if more than one number on the return is lapsing.
The rule, in one sentence
That is the entire test. There is no expiry date printed on your CP565 notice, no online lookup, and no separate schedule to consult. The IRS is asking one question: has this number been used on a return recently enough to suggest it is still needed?
Source: IRS — How to renew an ITIN, read September 8, 2026.
How to check whether yours has expired
- Look at the 2023, 2024 and 2025 federal returnsYour own returns, or a return somebody else filed that listed you as a spouse or dependent. Either counts.
- Ask whether your ITIN appears on at least one of themNot all three. One is enough. It can be any of the three.
- If the answer is yes, the number is currentNothing to do. Carry on.
- If the answer is no, it lapses on December 31, 2026Renew before you next need to file with it. Renewing early costs nothing and saves the January queue.
Cannot find the number itself? Finding a lost ITIN covers where it appears on old paperwork and how to confirm it with the IRS.
The three-year clock, drawn out
December 31, 2026
Source: IRS — How to renew an ITIN, read September 8, 2026.
What happens if you file with an expired ITIN
This is the question worth having a straight answer to, because the fear — that the return is thrown out — is worse than the reality, and the reality is expensive enough on its own.
| What people fear | What actually happens |
|---|---|
| The return is rejected and I have not filed | It is not rejected. The return is accepted and processing is delayed while the number is sorted out. |
| I will be penalised for using an expired number | There is no penalty for the expired number itself. Penalties arise indirectly, if a disallowed credit leaves a balance due. |
| I lose the credits permanently | Credits that depend on the number can be disallowed until it is renewed. Renewing and, where needed, amending is the route back. |
| My refund disappears | It is delayed, and it can be reduced while credits sit disallowed. |
The IRS states the consequences in three parts:
- Your return still gets filed. It is not rejected outright, but processing is delayed.
- Credits that depend on the number can be disallowed until it is renewed, which cuts the refund.
- A reduced refund can turn into penalties and interest if it leaves a balance due.
Source: IRS — How to renew an ITIN, read September 8, 2026.
In the following filing season they had income again and filed in early February — with the lapsed number, because nobody had told them it lapses. The return was accepted. The $500 Credit for Other Dependents claimed for their younger child was held back pending the number, and the refund came several months late and short.
The fix was a renewal filed in February, inside the January 15 through April 30 window, so it took the long 9-to-11-week route. Filed the previous October, the same renewal would have taken 7 weeks and cost them nothing at all. The lesson is entirely about timing.
How to renew
A renewal is the same Form W-7 as a new application, marked as a renewal, with the same document standard.
- Complete Form W-7 and mark it as a renewalNot a new application. Marking a renewal as new creates a duplicate record instead of reviving your history, and the IRS then has to unpick it.
- Enter the ITIN you are renewingThe number itself, exactly as issued. It is on your CP565 notice and on any return you filed with it.
- Attach your supporting documentsOriginals or copies certified by the agency that issued them — the same standard as a new application, and notarised copies are not accepted here either. A valid passport still covers both columns on its own.
- Attach a tax return only if you need toYou can renew ahead of season without one. But a spouse or dependent renewing in order to be claimed for a tax benefit must be listed on an attached federal return.
- Submit by any of the three routesMail to ITIN Operation, P.O. Box 149342, Austin, TX 78714-9342, or use an IRS Taxpayer Assistance Center or a Certifying Acceptance Agent. Same routes, same trade-offs as a new application — see the W-7 guide.
Source: IRS — How to renew an ITIN, read September 8, 2026.
When to renew — the timing that saves you weeks
The processing windows are the same as for a new application, which makes the timing decision straightforward.
- You submitweek 0
W-7, the tax return it is attached to, and your documents leave your hands.
- Receipt and sortingweeks 1–3
The ITIN Operation logs the package. Nothing is visible to you during this stage.
- Document reviewweeks 3–6
An examiner checks the documents against the reason code you claimed. Anything missing produces a CP566 request for more information, which restarts the clock.
- Decisionweeks 6–7
A CP565 assigns the number, or a CP567 rejects the application.
- Documents returnedweeks 7–11
Originals are mailed back. Peak season and overseas applications sit at the long end of every stage above.
Source: IRS — Individual taxpayer identification number (ITIN), read September 8, 2026. Both windows are IRS-stated notification times, not refund times.
Applying between January 15 through April 30 puts you in the queue with every new applicant of the filing season. Renewing in the autumn, when the reason to renew is already visible, uses the shorter window and takes the deadline pressure out of it entirely. If you know you will file next spring with a number that lapses on December 31, 2026, renewing now is free and costs you nothing but a stamp.
The old middle-digit schedule, and why it no longer applies
For several years the IRS ran a rolling programme that retired ITINs by their fourth and fifth digits — one block of middle digits each year — alongside the non-use rule. A great deal of material online still describes that schedule and tells you to check your middle digits against a table.
That programme ran its course. What governs now is the three-year non-use rule, and that is the only test on this page. If a guide asks you to look up your middle digits to find your expiry year, check its date before you act on anything else it says.
The middle digits still matter for one thing, and only one: recognising that a number is an ITIN at all rather than a Social Security number. That test is on ITIN vs SSN.
Frequently asked questions
Does an ITIN expire?
Yes. An ITIN that does not appear on a U.S. federal tax return for three consecutive tax years expires on December 31 of that third year. One return in three years is enough to keep it alive — you do not need to file every year, only at least once in any rolling three-year window.
How do I know if my ITIN has expired?
Check the last three tax years. If your ITIN appeared on at least one filed federal return for 2023, 2024, 2025, it is current. If it appeared on none of them, it lapses on December 31, 2026. There is no online lookup and no expiry date printed on the CP565 notice — the three-year test is the whole rule.
Do I need to attach a tax return to renew my ITIN?
Not always. You can renew ahead of filing season without a return attached. But a spouse or dependent renewing in order to be claimed for a tax benefit must be listed on an attached federal return — the benefit is what justifies the number, so the IRS wants to see it.
What happens if I file with an expired ITIN?
Your return is still accepted, but processing is delayed. Certain credits can be disallowed until the number is renewed, which reduces your refund, and a reduced refund can leave a balance due that attracts penalties and interest. The return is not rejected outright — it just gets slower and can get more expensive.
Do I have to renew an ITIN that only appears on a Form 1099?
No. If your number only appears on information returns that report payments to you — a Form 1099, for instance — you do not have to renew it. An expired ITIN can still be used that way. This is a genuine carve-out worth knowing about: if a bank or a payer has your ITIN on file for reporting purposes and you have no filing obligation, an expired number is not a problem for that use.
What about the old middle-digit expiration schedule?
Older articles describe the IRS retiring blocks of ITINs by their fourth and fifth digits year by year. That rolling programme ran its course. What governs now is the three-year non-use rule. If you are reading a guide that tells you to check your middle digits against a schedule, it is out of date.
How long does an ITIN renewal take?
The same windows as a new application: allow 7 weeks to be notified of the outcome, or 9 to 11 weeks between January 15 through April 30 or from abroad. That is a good reason to renew in autumn rather than in the January rush.
Can my whole family renew together?
Yes, and it is worth doing. If one person in the household has to renew, everyone on the return with an expiring number can be renewed at the same time in the same package, rather than discovering the second lapsed number after the first renewal is already in the post.
Once the number is current again
- 2026 federal tax calculator — the return you are renewing for.
- Tax refund estimator — what the credits are worth once the number is live.
- Family Tax Credit Finder — which credits your household reaches, given who holds which number.
- ITIN eligibility & document checker — the document list for the renewal package.