A Court of Claims judge has declined to block a 24 percent wholesale tax on Michigan’s marijuana less than a month before it’s scheduled to go into effect but allowed the cannabis industry’s challenge to the tax to proceed.

Industry groups sued the state over the new tax, which was part of a road funding deal at the center of budget negotiations in September.

The Michigan Cannabis Industry Association alleged the new tax is unconstitutional because it improperly alters the 2018 ballot measure that legalized the drug for Michigan adults.

Amending voter-approved measures like Michigan’s marijuana law requires a two-thirds supermajority of legislators, which the new tax — called the Comprehensive Road Funding Tax Act — did not receive.

Lawyers for the industry group argued the new tax ind

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