yes you can skip it. since portfolio deduction are no longer deductible for Fedeal income tax purposes.
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however, when you checked box 13
when you went to the next page "enter box 13 info" and selected code w and entered the $3 and then continued
on the next page you could (should) have selected other miscellaneous deductions and entered the $3
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but as posted there is no deduction for federal purposes. some states may allow it, but $3 would unlikely affect those taxes.
