This certificate is for Michigan income tax withholding purposes only. Read instructions on page 2 before completing this form.If you live or work in a taxing city listed below, you are required to complete and submit the appropriate City Tax Withholding Form. Complete Form W-4 so that your employer can withhold the correct federal income tax from your pay. Give Form W-4 to your employer. Employee's Michigan Withholding Exemption Certificate (MI-W-4) Downloadable tax withholding sample for employees in the state of Michigan. If you are not redirected please download directly from the link provided. Download. The information supplied on the Federal Form W-4 form is used to determine the amount of Federal income tax to withhold from your paychecks. Withholding Certificate, Form WW-4. How to fill out the Michigan Withholding Exemption Certificate MI-W4 Form?