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Is the Michigan Department of Treasury charging penalty and interest for late payment of tax due on a 2020 income tax return?

Is the Michigan Department of Treasury charging penalty and interest for late payment of tax due on a 2020 income tax return?

The due date for filing and paying the tax due for tax year 2020 was extended to May 17, 2021. Any remaining tax due after this date is subject to penalty and interest for late payment.