Where do I put Line 12a and 12b from my W-2 form?

I don't even know what these lines are for but they must have to go somewhere?
  • i have line 12 a with the letter c and     i also have line 12 b with the letter e and line 12 c with the letters dd                                              please advise where do i need to enter them  ifi need to enter them
On the screen where you enter your W-2, below the boxes for wages and withholding, there is a section for Box 12a-d. You put it there.
  • What does the D in box 12a mean and the W in box 12b?
  • ASH4515 - D is the amount you contributed to your 401(k) plan. W is employer contributions to your HSA.

good evening

 i need to know if they should be enter in my taxes and where   

 the following information on my w2

box 12 a  with the letter c

box 12 b  with the letter e

box 12 c with the letter dd

thanks for your help

  • dbugallo - Yes, you have to enter them. You enter them on the same screen where you enter all the other information from your W-2.
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