This is the first return I am doing with overtime.  It is not on her W-2 but her employer gave her a letter stating the overtime hours, overtime pay YTD and Overtime Premium YTD.  On the W-2 form it asks for the amount on line 14 from the W-2.  Since it is not on the W-2, do I still enter it there.  Also, since it is not on the W-2, I know I heard something about doing an attachment to the return.  I am not sure how to do that.  Thank  you.