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gamjatang
New Member

reporting solo 401k contribution

Hi. My CPA told me that he encountered an error when filing my Solo 401(k) contributions on my tax return. We planned to report $26,000 in voluntary after‑tax contributions and $8,000 in employer Roth contributions, but the $8,000 employer contribution wasn’t reported in Box 5b of Form 1040 due to the error. 

 

I’ve attached a screenshot of our initial report and form 1099R. Does anyone see what might have caused the error? Thanks for your help!

Screenshot 2025-04-23 at 11.13.10 AM.pngScreenshot 2025-04-23 at 11.11.57 AM.png

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2 Replies
RobertB4444
Employee Tax Expert

reporting solo 401k contribution

I can't see the initial report. But I can tell you that what your screenshot shows is that you rolled $36,000 over from one retirement account to another of which $8000 was taxable - either because you kept it and didn't roll it over or because you rolled it over from a traditional to a Roth account.  

 

Those numbers don't seem to jibe with what you are saying that you are trying to do.  It looks like the entries that you made have been made in the wrong parts of the program.

 

@gamjatang 

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gamjatang
New Member

reporting solo 401k contribution

Hi Thank you for your response.

Here some details of 1099R form.

1. Gross distribution $36000

2a. Taxable amount: $8000

5 Employee contributions/ designated roth contributions or insurance premiums: $28000

Other sections are blank.

 

 

so what was i supposed to do?

How should i have filled out on the form 1040? 

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