. 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 PIN each year. The IRS mails new IP PINS to taxpayers by early January...
The IRS issues an IP PIN each year, so your IP PIN last year is no longer valid.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. ...