is your tax pin a number that you choose or is it chosen by the irs
An IP PIN is a six-digit number assigned to eligible taxpayers that helps prevent the misuse of your Social Security number on fraudulent federal income tax returns. You canât use an IP PIN as your e-file signature PIN.Important: You currently canât opt out once you get an IP PIN.ou must get an IP PIN to file your current or prior year returns in 2015 if: 1  You received a CP01A Notice with your new IP PIN and you lost it, or. 2  You had an IP PIN in a prior tax year and you didnât receive a new one this year, or.