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@MarilynG TurboTax Deluxe tells me to mail in Form 8453 with Form 8949's. In easyStep, I entered summary totals for my 1099-Bs, but I see the detailed transactions in the forms 8949 in the printed copy of my return for my records. These details were imported from my brokerages, or entered manually.

1. Do I need to mail all the detailed Form 8949's, or just the ones that are not box "A" or "D"?

2. Since TurboTax has all the detailed Form 8949's, why are they not e-filed? Why do I need to print and mail them in? IRS has a huge backlog of paper returns, and my Form 8453 only adds to that backlog.