Thank you very much. You said: "The detail would include the sales date, the gross proceeds, the cost basis which you assigned to those proceeds and some declaration of how the basis was computed. "
To my knowledge, you cannot input the sales date or any declaration of how the cost basis was computed in TurboTax. Is that correct?
If that is correct, do I need to mail this to the IRS? Would I still be able to e-file and then mail the cost basis information to the IRS as supplementary information? Or do I need to paper file my entire return?
