I see...Some 1099-B (not all) have written:"Taxpayer must mail in a statement with more details? - Yes"... so these must be attached as you suggested. Thank you...
I think you might be right...>When you do that you have to .. mail Form 8453 with a copy of your 1099-B and Form 8949...By 1099-B, do you mean "Form 1099-B Work...
