Michigan Treasury Online (MTO) is a Treasury web service offering people the ability to interact with Treasury on behalf of businesses registered for taxes in Michigan. MTO allows …

The Michigan Department of Treasury has been made aware that some "Reminder of Tax Due" letters sent to taxpayers contain an incorrect toll-free (1-800) TTY number, which may connect …

Michigan Treasury Online Form Instructions Please choose a year from the list below:

Use a browser supported by MTO to access the online application: Google Chrome (download Chrome for Windows, download Chrome for Mac) Microsoft Edge (download Edge) Firefox …

The Michigan Department of Treasury has been made aware that some "Reminder of Tax Due" letters sent to taxpayers contain an incorrect toll-free (1-800) TTY number, which may connect …

MTO is a Treasury web service offering people the ability to securely interact with Treasury regarding many business tax obligations in Michigan. Through MTO you can file and pay, …

The Michigan Department of Treasury has been made aware that some "Reminder of Tax Due" letters sent to taxpayers contain an incorrect toll-free (1-800) TTY number, which may connect …

I can’t find Form 160 to file my monthly/quarterly taxes or Form 165 to file my annual return for tax years 2015 and beyond; what do I do? Form 160 is an invalid return for 2015 and beyond. It …

Responsible parties to a business can utilize the Business Taxes eService to ask Treasury general or account-specific questions related to Michigan Treasury Online (MTO). Treasury …

File and pay this return for free on Michigan Treasury Online at mto.treasury.michigan.gov. Alternatively, make check payable to “State of Michigan.” Write the account number, “SUW …