That's what is throwing me off.
The TT software for section 1099-B tells me that if I "summarize", I then have to mail in a paper copy of 8453, which is again needing to itemize it.
If you are e-filing your tax return, then mail your statements along with Form 8453 to...
Also noted that if I never click either of the loss buttons, Item C about a loss value from before never comes up.
