The 401k will be on your W-2, so you will simply enter your W-2 exactly as it appears. You do not enter the 401k anywhere else---just when you enter the boxes from your W-2.
You might end up getting a bit of Savers credit which will reduce any tax liability you have.
**Disclaimer: Every effort has been made to offer the most correct information possible. The poster disclaims any legal responsibility for the accuracy of the information that is contained in this post.**
