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Level 2
posted Jan 31, 2024 6:35:38 PM

Box 12 code Z

Hello,

Why am I getting a message that the above code is income under a nonqualified deferred compensation plan that fails to satisfy section 409A.  This is unusual and the calculations for the additional tax and interest on this are not supported.  This has been on my W2 for many years and I have not had this pop up as an error on my tax return on turbo tax.  Why is it popping up now?  If Turbo Tax does not support this, where do you suggest I get expert advice for handling this?

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1 Replies
Level 15
Jan 31, 2024 7:17:41 PM

I tested code Z in box 12 in the TurboTax software for 2020 and got the same message that you are getting now for 2023. I also see that it's in the list of "Calculations Not Supported" at least as far back as 2015. If you have had this "for many years" I have to assume that you either entered it incorrectly, didn't see the message, or ignored the message.


I suggest that you consult a local tax professional.