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system
is it mandatory to report capital loss on line 21 of schedule d?
user
you are not allowed to pick and choose what years to take a loss once the stock/fund is sold.  while i realize it might be too late for you to do anything now, in the future if members should read this, they might consider doing a roth conversion during that year they will have $3000 in losses. this way they will show some income that can be offset by that loss, effectively getting a free conversion to the roth.
assistant