Alternative Minimum Tax used to be very common. The AMT applies to taxpayers who have certain types of income that receive favorable treatment, or who qualify for certain deductions, under the tax law. These tax benefits can significantly reduce the regular tax of some taxpayers with higher economic incomes. The AMT sets a limit on the amount these benefits can be used to reduce total tax.
You may want to review your federal and state for AMT in prior years along with this year.
Here is a list of MN forms and their availability.
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