I have two of the same codes for Box 12. One says D and one says D 23. It says I can't have duplicate codes. How do I enter this?

[VolvoGirl]

If you have a box 12 with a Code and number, like D22, the 22 means the year 2022. You can either ignore the D22 amount or add it to the other code D.

[Opus 17]

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