there can be 6 or 7 different codes on the 1099-B
trades with codes A and D that do not have adjustments can each be entered as totals, no details, to appear on lines 1a and 8a of schedule D.
other than these, details of each trade must be provided to the IRS including types A and D with adjustments such as wash sale or market discount adjustment. these get reported on form 8949 and the totals from these forms are transferred by Turbotax to schedule D
