what dates are quarterly estimated taxes due
Michigan Business Tax Quarterly Estimated Returns and instructions will be mailed to businesses in early January. Filing/Payment Due Dates. Taxpayers expecting a tax liability to exceed $800 must file quarterly estimates as follows: Calendar Year Filers: Return and payment due April 15; July 15; October 15; and January 15. Fiscal Year Filers: Return and payment due the 15th day of the first month after each quarter.