Have contributed to Mesp fo three years now but have not deducted those contributions in those previous years. Can I deduct those contibutions in 2017

[SweetieJean · Accepted solution]

They are not deductible on your Federal return.

But there is a Michigan income tax deduction on contributions made to MESP up to $10,000 for married couples filing jointly or $5,000 for individuals filing single per year. However, you would have to amend those prior years' state returns to get that deduction.

[dicarbills]

I ran into the same problem, I filed my 2018 taxes in April but didn't realize I could deduct the 529 contributions for Michigan until now.  TurboTax doesn't make it very obvious.     Can you tell me what forms to use in order to claim an additional deduction for contributing to 529 as an amendment?  On the form I found, the only section I can find to enter is "voluntary contributions."  Is this where I enter in the contribution amount for the 529 plan?  Does anyone know if "all voluntary contributions" would be including 529 contributions?   Thanks in advance. 

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