I recieved a 1099-B. I have a LT capital gain that "is not reported to the irs." do i have to report this capital gain? the amount is determined

[BobinCT · Accepted solution]

Of course you have to report it.  The proceeds from the sale of the security IS reported, they just don't report (to the IRS) the cost basis or the gain or loss.  You must account for it or the IRS will treat it as though the entire sale price is profit.  You don't want that!