If you are unable to submit your tax form(s) by the tax deadlines, use Form 4868 to apply for 6 more months to file Form 1040, 1040A, 1040EZ, 1040NR, or 1040NR-EZ. To get the extra time you must:
- Estimate the amount you owe.
- Enter that amount on Line 4 of Form 4868, and include your payment with the form.
- Mail Form 4868 in time to be postmarked no later than April 17, 2018.
To request an extension of time to file the State of Michigan tax form, please follow the instructions for Form 4, Instructions for Application for Extension of Time to File Michigan Tax Returns.