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How do I fill out the box 12 information from my W-2?

SOLVEDby TurboTax3306Updated December 23, 2021

The W-2 you got from your employer will have four lines for box 12 — labeled 12a, 12b, 12c, and 12d.

Any amount on a box 12 line will also have an upper-case (capital) letter code associated with it. (If there aren’t any capital letter codes in box 12, skip it and move on to box 13.)

In each box 12 line, select the capital letter code from the drop-down list and enter the corresponding amount. See the example a bit further down to see what it would look like in the TurboTax CD/Download software.

Important: Don't confuse the lower-case box 12 letter (for example, the a in box 12a) with the capital letters in the drop-down list. So, if your box 12a has the letter code D in it, select D (not A) from the drop-down list. And if 12a is blank, leave it blank — don't select A.

To enter multiple box 12 amounts in TurboTax Online, select +Add another row. In the software, additional box 12 lines will appear when the preceding lines are full.

In this fictitious (and somewhat unrealistic) example, the W-2 shows these box 12 amounts:

  • $5,000 in box 12a with code D
  • $5,000 in box 12b with code DD
  • $5,000 in box 12c with code W
  • Box 12d is blank

Here's what the entries would look like in TurboTax Online:


And here's what the entries would look like in the TurboTax CD/Download software:

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