You must submit a Michigan withholding exemption certificate (form MI-W4) to your employer on or before the date that employment begins. If you fail or refuse.If you live or work in a taxing city listed below, you are required to complete and submit the appropriate City Tax Withholding Form. The information supplied on the MI-W4 form is used to determine the amount of Michigan income tax to withhold from your paychecks. This certificate is for Michigan income tax withholding purposes only. Complete Form W-4 so that your employer can withhold the correct federal income tax from your pay. Only one Form WW-4 is required for each employee, even though the employee may be subject to withholding for two cities. Find a complete listing of City of Lansing employer withholding forms and other information including FAQs and helpful tips regarding taxes. State and Local Tax Withholding Forms. EMPLOYEE: F ile t h is form w ith y our employer .