I already filed my 2020 tax report.
After that, I learned the backdoor IRA which is converted from traditional IRA to Roth IRA with my post-tax money.
In March, I contributed $6,000 to traditional IRA as 2020's and converted all of them to Roth.
And also I contributed another $6,000 to traditional IRA as 2021's contribution and converted all of them to Roth again.
Because I made my new tranditioanl and Roth IRA accounts after passing the calendar date for 1099-R, I couldn't get the 1099-R from TD Ameritrade.
I followed the steps to enter manually for the amended report in Turbo Tax with only 2020's traditional IRA and Roth IRA.
In 1099-R inputs, I put the Box1 Gross distribution $6,000 and put the $6,000 to Bax2a as the taxable amount by checking Box2b as Taxable amount not determined box is checked. With these inputs, the fed and state tax dues were estimated plus the amount.
If I remove Box2a to $0 by changing Box2b unboxed, it can't be filed. The review message before sumbit, Turbotax screening told that box2a can't be zero.
How can I submit the amended 1099-R for backdoor IRA which I made in March 2020?
And, should I make 8606 manually to send it separetely?
Thanks advance.
