I took a CARES-eligible withdrawal from my 401K in 2020. I also repaid it to my 401K in 2020. I have form 8915E, which seems to prove the payment to be non-taxable, but how do I confirm in my 2020 tax filing that I have already paid that amount back? I'd like to not have to amend my taxes (prefer to do it with turbotax myself as opposed to having someone else file). Since the repayment took place in 2020, I'd like to have it all wrapped up in my 2020 filing in April, but it's not clear how to prove repayment.