If you have not filed the 2023 tax return you can add the 6 digit IP PIN. If you have filed the 2023 tax return wait for the IRS to reject your return before including the IP PIN on your tax return.
To enter, edit or delete a 6 digit IP PIN
Click on Federal Taxes (Personal using Home and Business)
Click on Other Tax Situations
Scroll down to Other Return Info
On Identity Protection PIN, click the start button
If you have an IP pin assigned and you e-filed without it, your return will probably be rejected. You can then go back into your return and add it. Go to the tab for "other tax situations."
I think that you mean the Identity Protection PIN. There are two different PIN's entered in different places.
The 6 digit IP PIN is entered as follows:
The IRS issues an IP PIN to confirmed victims of identity theft. See this IRS publication.
The IP PIN validates a Social Security number's true owner and prevents future tax fraud. Most taxpayers don't need one.
However, if you received an IP PIN or CP01A notice from the IRS in the past, you must use your 2023 IP PIN to validate your identity when you file your 2023 return.
If you know you need an IP PIN to file your taxes and you lost your CP01A letter (or never received it), you can:
TurboTax is unable to issue IP PINs and you will not find them on your tax paperwork. You can only get IP PINs from the IRS.
See also this TurboTax Help.
The 5 digit e-filing PIN is required to electronically file your tax return. You choose a 5 digit e-filing PIN the first time you e-file, and use it every year thereafter.
If you don't remember it, you can use your AGI (adjusted gross income) from last year's tax return.