Federal Conformity Adjustments Update

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Earlier this year, Minnesota lawmakers passed legislation to match the federal code in several areas for tax years 2015 and 2016. We want to give you an update on where we are at in making necessary adjustments to income tax returns affected by this legislation.


2015 Tax Returns

We recently started reviewing all 2015 Minnesota income tax returns. If a taxpayer was affected by changes made to the 2015 tax code, there is nothing they need to do unless we notify them. If a taxpayer qualifies for a new deduction or exclusion, one of three things will happen after our review:

  1. We will make the necessary change to the return, if possible. We will send the taxpayer a letter explaining the changes and issue a refund.
  2. We will request (via letter) more information from the taxpayer. We will use that information to make changes to the taxpayer’s return, if possible. We send the taxpayer a letter explaining the changes and issue a refund.
  3. If we cannot make changes to the return, we will notify the taxpayer that they need to file an amended return to get the benefits of these tax law changes. Do not amend a taxpayer’s return for these new deductions or exclusions unless we notify the taxpayer via letter. The taxpayer may decide to amend their return for other reasons.

No taxpayers will owe additional tax because of these changes.


We will send another update when we have completed the 2015 federal conformity adjustments.


2016 Tax Returns

All necessary changes were made to 2016 income tax forms and instructions before the filing season opened. No adjustments to these returns are needed.



If you have any questions, contact us by email at individual.incometax@state.mn.us or by phone at 651-296-3781 or 1-800-652-9094 (toll-free).