The IRS issues an Identity Protection PIN (IP PIN) to taxpayers who are confirmed victims of tax-related identity theft or those who opt-in to receive one as a proactive measure. If you have been assigned an IP PIN, the IRS will mail you a CP01A Notice with your new IP PIN each year
Steps to Generate an IP PIN:
Online Request: The fastest way to get an IP PIN is through your online IRS account. If you don't already have an account, you'll need to create one and validate your identity - Get an IP PIN.
Alternative Methods: If you can't establish an online account, you can request an IP PIN by filing an application or through in-person authentication: Retrieve your IP PIN.