# When an ITIN expires and how to renew it

Lesson 3 of [Harder ITIN cases: dependents, applicants abroad and renewals](https://itinagents.fyi/academy/itin-dependents-renewals-and-abroad.md), 16 minutes.

When an ITIN expires An ITIN expires if you do not use it on a US federal tax return for any 3 consecutive tax years. It expires on December 31 after the third tax year of non-use. When you must renew - Renew an expired ITIN if it will be included on a US federal tax return. - You do not need to ren…

The rest of this lesson is for learners enrolled in the course. [See how Harder ITIN cases: dependents, applicants abroad and renewals works](https://itinagents.fyi/academy/itin-dependents-renewals-and-abroad.md).

Also on the [web page](https://itinagents.fyi/academy/itin-dependents-renewals-and-abroad/expiry-and-renewal).