How to include form 8606 in an amended return
I already filed for 2020, but I think I need an amendment. I no longer contribute to an IRA, but I take an RMD from a standard IRA, which has a previously taxed basis. For 2019 I did the work to tabulate the previously taxed basis and I filed form 8606 for 2019 showing the previously taxed basis. When I did my taxes for 2020, I assumed that Turbotax would carry forward the data on form 8606 in order to continue tracking the previously taxed basis of my IRA; however, Turbotax did not carry that forward. I filed for 2020 without noticing that form 8606 was missing. This makes only a small difference for one year, but the previously taxed basis is supposed to be adjusted each year and carried forward year after year. I am not happy that Turbotax did not carry this forward from the previous year. Now I want to file an amendment but I cannot see how to add 8606 to an amended return and make it pick up the data from last year. Please help. Thank you.