Did you take any money out of the 401(k)? If not, you don't get a 1099-R and you don't enter anything in your tax return. If you did take money out, you should have gotten a 1099-R. If you didn't get it, call the plan administrator and ask for another copy.

Any money that you put into the 401(k) will be shown in box 12 of your W-2 with code D. That's the only entry you have to make in your tax return.

You don't enter anything in your tax return for just having a 401(k), if there was no activity in the account. You only have to enter anything if you put money into the 401(k) or took money out.

I want to make sure I understand.  

I did not put any money into the 401 k

My employer contributed into the 401k

I did not remove any money from the 401k

Therefore I do not list a 401 k on my return 

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@ajajwa3016 wrote:

I want to make sure I understand.  

I did not put any money into the 401 k

My employer contributed into the 401k

I did not remove any money from the 401k

Therefore I do not list a 401 k on my return 

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Correct.  There is nothing to report.