The IRS instructions for schedule D require wash sales to be reported on form 8949. This way the wash amount is properly accounted for - the wash adjustment totals from the 8949s go into column (g) on lines 1b, 2 or 3 of schedule D. Search for "wash sales" on this page for more info 2020 Instructions for Schedule D (2020) | Internal Revenue Service (irs.gov) It's the same deal for any transaction that requires an adjustment. You do not submit your 1099B with your taxes. You do have the option of creating your own (equivalent) alternative to form 8949, but AFAIK Turbotax cannot attach such files to an e-file, so you'd have to mail your taxes.
