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Agent 991, I agree with you.  TT's inconsistency reflects either a design flaw or coding error.  You have documented precisely what is going on.  As for myself, I have avoided having to mail anything in to the IRS.  Luckily, I had not told TT to file with the IRS yet so I had the opportunity to go back and delete my 1099B sales summary files created from my manual inputs.  I then had TT upload the 1099B detail data from my financial institution and had TT  do another  review so I could view their new cover page.  This time it did not instruct me to mail anything in.