You cannot get back or change a return you filed, even if it is in Pending. Since your forgot to enter your IP PIN then you return should be rejected. Then you can enter your IP PIN & re-efile.
How do I add or remove my 6-digit IP PIN?
Follow these instructions to enter your IP PIN or to remove one that you accidentally entered.
Sorry---you cannot change anything while your return is in pending. You will have to wait. If it is rejected then you can fix it.
If you have a 6 digit PIN issued to you by the IRS you need to enter it in order to e-file. Go to Federal>Other Tax Situations>Other Return Info>Identity Protection PIN and enter the six-digit PIN.
You cannot get back or change a return you filed, even if it is in Pending. Since your forgot to enter your IP PIN then you return should be rejected. Then you can enter your IP PIN & re-efile.
How do I add or remove my 6-digit IP PIN?
Follow these instructions to enter your IP PIN or to remove one that you accidentally entered.