The IRS issues an IP PIN each year, so your IP PIN last year is no longer valid. The IRS should issue you Notice CP01A with your IP PIN; otherwise, you will need to retrieve your most recently issued IP PIN. You can retrieve this online using the resources below. ...
You can access the IP PIN tool from mid-January through mid-November [1]. Once you receive it, your IP PIN is valid for one calendar year. If your identity has been stolen before and the IRS resolved the issues with your tax account, it will mail you a CP01A Notice with a new IP...