I am filing amended tax returns for year 2015 because I did not adjust the cost basis for ESPP stock sale.
I learned how to correctly enter all the information for cost basis calculation in Turbotax while filing 2016 tax return. So I used Turbotax 2015 to amend my 2015 return.
This is the only change in my amended tax return. While mailing, which forms do I need to attached in addition to all the standard forms printed from Turbotax ?
