In the 1099-R interview where it asks for your prior basis if you had a distribution? If incorrect, simply enter the correct amount.
If you are using the CD/download and you transferred data for the 2020 return you can change to the forms mode and view the "IRA Information Worksheet" part III line 12 to see what was imported and change it if necessary.
**Disclaimer: This post is for discussion purposes only and is NOT tax advice. The author takes no responsibility for the accuracy of any information in this post.**
