Michigan Cannabis Industry Association Tax Lawsuit

Last verified: April 2026

The Lawsuit

The Michigan Cannabis Industry Association (MCIA) sued the State of Michigan over the 2025 legislation imposing the 24% wholesale excise tax effective January 1, 2026. The MCIA’s legal theory rests on the special status of voter-initiated legislation under the Michigan Constitution.

The Constitutional Theory

MRTMA was a voter-initiated law, approved as Proposal 1 by 56% of Michigan voters in November 2018. Under the Michigan Constitution and longstanding precedent, the Michigan legislature can amend a voter-initiated law — but the standard for amendment is debated. The MCIA’s lawsuit alleges that:

• MRTMA’s tax structure (10% retail excise + 6% sales tax) was a core feature of the voter-initiated framework
• Adding a 24% wholesale excise tax substantially modifies that framework
• The 2025 legislation did not meet the constitutional threshold for amending a voter-initiated law without going back to the voters
• Therefore the wholesale tax should be invalidated

The State’s Position

The State’s defense argues that:

• MRTMA’s tax provisions established a floor, not a ceiling, on cannabis-related taxation
• Subsequent legislative tax additions are within the legislature’s general taxing authority
• The wholesale tax does not amend MRTMA’s consumer-protection or licensing provisions
• Voter-initiated-law jurisprudence in Michigan has consistently recognized substantial legislative discretion to add taxes alongside, rather than amending, voter frameworks

Procedural Status

As of April 2026, the lawsuit was pending in Michigan state court. The case has the structural features of a major constitutional dispute:

• The MCIA represents a substantial industry lobby with significant litigation resources
• The state has substantial revenue interests at stake
• The constitutional theory is novel and has potential implications well beyond cannabis (any future voter-initiated framework with embedded tax provisions could be affected)
• The case is likely to reach the Michigan Court of Appeals and possibly the Michigan Supreme Court

Industry Impact While Pending

The lawsuit’s pending status means the wholesale tax remains in effect through 2026 (and possibly beyond) regardless of eventual outcome. Operators must comply with the tax through the litigation period:

• Tax payments to the state continue
• Operators incorporate the wholesale-tax markup into pricing
• The 14–16% projected market-wide sales decline is the operating assumption for 2026 financial planning

If the MCIA Wins

If the MCIA succeeds, the wholesale tax could be invalidated:

• Future tax payments would cease
• Past tax payments could be subject to refund claims
• The state would face a significant fiscal-revenue gap requiring legislative response
• Operators would gain substantial margin recovery, particularly Detroit Legacy / social-equity retail-only operators
• The legislature could attempt to re-enact the wholesale tax through a properly-supermajority vote or through a voter referendum

If the State Wins

If the State succeeds, the wholesale tax remains in effect indefinitely:

• The 14–16% sales decline projection becomes the operating reality
• Detroit Legacy / social-equity operator survival pressure intensifies
• Caregiver gray-market competitive pressure intensifies
• Industry consolidation around vertically-integrated statewide brands accelerates
• Future legislative tax increases face fewer constitutional constraints

Parallel Federal Developments

The Schedule III rescheduling executive order (December 18, 2025) and any eventual SAFE Banking Act passage at the federal level could partially offset the wholesale-tax effect on operators by:

• Removing IRC § 280E tax-deduction restrictions
• Easing federal banking-relationship friction
• Reducing operator capital costs broadly

The federal-state tax interaction is one of the most consequential ongoing dynamics in U.S. cannabis policy.

The Voter-Initiated-Law Question

Beyond cannabis, the MCIA lawsuit’s outcome will set precedent for how aggressively the Michigan legislature can modify voter-initiated frameworks generally. Michigan has used voter-initiated lawmaking for several major policy areas; a broad ruling for either side could reshape that lawmaking method’s practical durability.

The Detroit Cannabis Industry Association Position

The Detroit Cannabis Industry Association (DCIA), founded by Stuart Carter (Utopia Gardens) in spring 2025, has publicly supported the MCIA lawsuit. The DCIA’s Detroit-specific operator base is particularly exposed to the wholesale-tax effect because of the equity-licensing concentration and the existing burglary-crisis operating-cost pressure.

What to Watch

• State trial-court ruling — the first procedural milestone
• Court of Appeals review — almost certainly the second stage regardless of trial outcome
• Michigan Supreme Court review — likely the third stage given the constitutional stakes
• Settlement or legislative compromise — possible resolution if either side faces unfavorable trajectory
• Federal Schedule III timing — could partially moot the practical urgency by reducing operator costs through other channels

Related on this site: The 24% Wholesale Tax (Effective Janu..., Send a Message, Contact DetroitCannabis.org.