1099-B data onto 1040NR

Hi,

I finally got my 1099-B module from the online bank (see thread:

Anyway, in the 1099-B I get the gross income generated exercising the stocks (namely $4,089.67) and the "Federal Inc. Tax Withheld" (namely $1,145.11 that is exactly the 28% of the gross income). I have been told to write down the gross income in Item "L", page 5, of the 1040NR as follows: "$4089.67 - Stock Sales - NRA 183 days Rule"

and the tax withheld on items 59, 70, 71, 72a on page 2 of the 1040NR. Since I got it talking with IRS help support, but I cannot find clear instructions on paper, could someone please advise? That is, is Item "L" the right point to report such backup withholding? Thanks Stefano

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