IRS Individual Tax Identification Numbers Expire

There are two key groups of individuals whose IRS Individual Tax Identification Numbers Expire (ITIN). Those ITIN holders may need to renew an ITIN so it will be in effect for returns filed in 2017. The ITIN holders include:
 Unused ITINs. ITINs not used on a federal income tax return in the last three years (covering 2013, 2014, or 2015) will no longer be valid to use on a tax return as of Jan. 1, 2017. ITIN holders in this group who need to file a tax return next year will need to renew their ITINs. The renewal period begins Oct. 1, 2016.
 Expiring ITINs. ITINs issued before 2013 will begin expiring this year, and taxpayers will need to renew them on a rolling basis. The first ITINs that will expire under this schedule are those with middle digits of 78 and 79 (Example: 9XX-78-XXXX). The renewal period for these ITINs begins Oct. 1, 2016. The IRS will mail letters to this group of taxpayers starting in August to inform them of the need to renew their ITINs if they need to file a tax return and explain steps they need to take. The schedule for expiration and renewal of ITINs that do not have middle digits of 78 and 79 will be announced at a future date.
How to Renew an ITIN
Only ITIN holders who need to file a tax return need to renew their ITINs. Others do not need to take any action.
Starting Oct. 1, 2016, ITIN holders can begin renewing ITINs that are no longer in effect because of three years of nonuse or that have a middle digit of 78 or 79. To renew an ITIN, taxpayers must complete a Form W-7, Application for IRS Individual Taxpayer Identification Number, follow the instructions and include all information and documentation required. To reduce burden on taxpayers, the IRS will not require individuals renewing an ITIN to attach a tax return when submitting their Form W-7. Taxpayers are reminded to use the newest version of the Form W-7 available at the time of renewal which will be posted in September (Use version “Rev. 9-2016”).
There are three methods taxpayers can use to submit their W-7 application package to renew their ITIN. They can:

Mail their Form W-7 – along with the original identification documents or certified copies by the agency that issued them – to the IRS address listed on the form (identification documents will be returned within 60 days),
Use one of the many IRS authorized Certified Acceptance Agents or Acceptance Agents around the country, or
In advance, call and make an appointment at an IRS Taxpayer Assistance Center in lieu of mailing original identification documents to the IRS.

Find out more at: https://www.irs.gov/uac/irs-works-to-help-taxpayers-affected-by-itin-changes-renewals-begin-in-october