Individual Taxpayer Identification Number (ITINs) are issued by the IRS for individuals who aren’t eligible for a social security number and need to file their taxes. All ITINs eventually expire and will need to be renewed.
All ITINs not used on a federal tax return at least once in the last three years will expire on December 31, 2019. Additionally, all ITINs issued before 2013 with middle digits of 83, 84, 85, 86, or 87 (Example: (9XX-83-XXXX) will also expire at the end of 2019.
Learn more about how to renew an ITIN by visiting the IRS.