Maine has amended its cannabis excise tax law to offer tax relief for some cannabis businesses. The new law, which took effect on January 11, 2026, creates specific exemptions from excise tax for certain transfers of adult-use cannabis between licensed facilities.
On October 7, 2025, Michigan Governor Gretchen Whitmer signed into law the Comprehensive Road Funding Tax Act (House Bill 4951), which will impose a 24% excise tax on wholesale marijuana transactions beginning January 1, 2026. This new tax is in addition to the existing 10% excise tax and 6% sales tax on retail marijuana sales, marking a significant additional obstacle to positive margins in Michigan’s cannabis regulatory landscape.