The state’s largest cannabis trade group has filed a lawsuit against Michigan, arguing that a new 24% wholesale tax on marijuana is unconstitutional and will devastate a legal market already struggling from plummeting prices and numerous closures.The Michigan Cannabis Industry Association (MCIA) filed the complaint Tuesday in the Michigan Court of Claims, just hours after Gov. Gretchen Whitmer signed the tax into law as part of the new state budget. The Senate approved the measure 19-17 last week after it passed the House 78-21.

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