Lansing — An industry group that represents cannabis businesses in Michigan filed a lawsuit Tuesday afternoon, challenging a state law that was signed hours earlier to impose a 24% wholesale tax on marijuana.

The tax, scheduled to take effect Jan. 1 in order to increase funding for roads, was at the center of a compromise that ended a months-long budget standoff between Democrats and Republicans in the Capitol last week. Gov. Gretchen Whitmer signed the tax hike into law on Tuesday .

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