Streamlined Sales and Use Tax Project
File Your Streamlined Sales Tax Electronic Return in MTOBeginning on January 7, 2019 Simplified Electronic Returns will need to be filed and paid in Michigan Treasury Online at mto.treasury.michigan.gov. Effective on that date, the old site will no longer be available. Please log in early to Michigan Treasury Online and establish a Username and Password. You can direct any question to the Michigan Department of Treasury at (517) 636-6925.
Certified Service Providers (CSPs), sellers who utilize Certified Automated Systems (CASs), and sellers who utilize Treasury’s on line fillable form may submit SST SERs to Treasury.
Michigan's Petition for Membership in the Streamlined Sales and Use Tax Agreement and Michigan's Certificate of Compliance were posted to the Michigan Department of Treasury website as of January 31, 2005, and were filed with the Co-Chairs of the Streamlined Sales Tax Implementing States on January 31, 2005. On July 20, 2017, the State Treasurer submitted the following documents to the executive director of the Streamlined Sales Tax Governing Board: Michigan's re-certification letter, a revised Taxability Matrix, and the revised Certificate of Compliance. The most current version of Michigan’s Taxability Matrix can be found at http://sst.streamlinedsalestax.org/otm/. Click on the tab for Michigan to view, print or download the Taxability Matrix. The most current version of Michigan’s Certificate of Compliance can be found at http://sst.streamlinedsalestax.org/coc/. Click on the tab for Michigan to view, print or download the Certificate of Compliance.
- Information for Remote Sellers
- Guide for Certified Service Providers (CSPs) and Certified Automated Systems (CASs)
- Register for Streamlined Sales Tax Project
If you register for the Streamlined Sales Tax Project, you must also use this link to discontinue your streamline registration when you sell or discontinue your business.
- Taxability Matrix
- SSTP Certificate of Exemption
- Certified Service Provider (CSP) Testing and Approval
- What is the Streamlined Sales and Use Tax Project?
- Other Helpful links
- Streamlined Sales Tax FAQs