Preliminary information for the Wholesale Marihuana Tax is now available.
Marihuana Retailers Excise (MRE) Tax
Homeowner's Principal Residence Exemption
Property Tax Forfeiture and Foreclosure
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Registering for business taxes through Michigan Treasury Online is unavailable from 5 p.m. on February 13, 2026 to 8 a.m. on February 23, 2026. During this time, complete and mail Form 518 – Michigan Business Taxes Registration Application and allow 4 weeks for processing. We appreciate your patience.
Form 518 - Michigan Business Taxes Registration ApplicationMichigan 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 responsible parties of a business, their representatives, or anyone with a legitimate purpose secure, 24/7 online access to Treasury business tax accounts to electronically file and pay business taxes, update account information, and view Treasury issued correspondence.