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what category did the broker use?

A - short term sales proceeds and cost/tax basis reported to IRS

B - ST proceeds but not cost reported to IRS

C - ST neither reported to IRS

D - same as A but long-term

E - same as B but long-term 

F-  same as C but long term

 

types A and D can be reported as a single line item for each but should only be reported directly on schedule D lines 1a ST or 8a LT

I would report types C and F also as single line items because the IRS gets no detail but these go on form 8949 which carry to schedule D lines 3 and 10

that leaves types B and E - since you can no longer e file

you can enter as a single line item 1 for ST and 1 for LT with code M form 8949

then attach the 1099-B to your tax return which you must now mail.