Michigan Cannabis Enforcement: Regulations, Penalties & Compliance Guide

Executive Summary

Michigan's Cannabis Regulatory Agency (CRA) has established itself as one of the nation's most aggressive state-level cannabis enforcement bodies, wielding unprecedented regulatory authority over a market that generated $3.2 billion in sales during 2025. The state's enforcement framework combines civil penalties, license revocations, and criminal referrals to maintain compliance across more than 1,800 active licenses. In September 2026, regulators imposed a record-breaking fine and revoked the operating permit of a major product manufacturer following what officials characterized as "egregious" violations, marking the most severe enforcement action in Michigan's adult-use program history. This action reflects Michigan's broader shift toward stricter oversight following years of rapid market expansion, product safety concerns, and interstate diversion investigations. The enforcement landscape now shapes operational decisions for multi-state operators, craft cultivators, and ancillary service providers across the Great Lakes State's vertically integrated cannabis economy.

Why Michigan Cannabis Enforcement Matters

Michigan operates the tenth-largest legal cannabis market in the United States, with enforcement decisions directly affecting 1,847 active licensees, approximately 43,000 industry employees, and 850,000 registered medical patients as of September 2026. The state's regulatory approach carries national significance for several reasons. Michigan's adult-use program, launched in December 2019 under the Michigan Regulation and Taxation of Marihuana Act (MRTMA), created one of the most permissive licensing environments in the country. Unlike limited-license states such as Ohio or Illinois, Michigan imposed no statewide caps on retail, cultivation, or processing permits. This open-market structure produced rapid growth but also attracted regulatory scrutiny as unlicensed operators attempted to launder illicit product through licensed facilities. The financial stakes are substantial: Michigan collected $290 million in cannabis excise and sales taxes during fiscal year 2025, with 65% of adult-use excise revenue allocated to education, roads, and municipalities that permit cannabis businesses. Enforcement actions that result in license revocations directly reduce this tax base while reshaping competitive dynamics in local markets. For multi-state operators (MSOs), Michigan represents a critical Midwest foothold. Companies including Verano Holdings, Green Thumb Industries, and Cresco Labs operate multiple facilities across the state. Enforcement precedents established in Michigan often influence compliance strategies in other markets, particularly regarding testing protocols, inventory tracking, and advertising restrictions. Patient access remains paramount. Michigan's medical program, established in 2008 under the Michigan Medical Marihuana Act (MMMA), serves patients with debilitating conditions including cancer, glaucoma, HIV/AIDS, and chronic pain. Enforcement actions that shutter cultivation or processing facilities can create supply shortages, particularly for specific product formats such as RSO (Rick Simpson Oil) or high-CBD strains preferred by pediatric epilepsy patients.

Background and History: Michigan's Path to Enforcement Maturity

Michigan's cannabis enforcement regime evolved through three distinct phases spanning nearly two decades, shaped by voter initiatives, legislative amendments, and judicial interpretations that created one of the nation's most complex regulatory environments.

2008-2013: Medical Program Foundation and Enforcement Vacuum

Michigan voters approved the Michigan Medical Marihuana Act (Initiated Law 1 of 2008) with 63% support in November 2008, making Michigan the thirteenth state to legalize medical cannabis. The statute, codified at MCL 333.26421 et seq., established a patient-caregiver model allowing registered patients to possess up to 2.5 ounces of usable cannabis and cultivate up to 12 plants. Caregivers could serve up to five patients. The law created no state licensing system for commercial production or retail sales, producing a five-year enforcement vacuum where local police, prosecutors, and courts applied inconsistent standards. The Michigan Supreme Court's 2013 decision in *People v. Kolanek*, 491 Mich. 382, established that the MMMA provided only an affirmative defense to prosecution, not blanket immunity, forcing patients to litigate their status in criminal proceedings.

2016-2017: Regulatory Infrastructure Emerges

The Michigan Legislature enacted the Medical Marihuana Facilities Licensing Act (MMFLA) in September 2016, effective December 2017. This statute, codified at MCL 333.27101 et seq., created the state's first commercial licensing framework, establishing five license types: growers (Class A, B, C by canopy size), processors, provisioning centers (dispensaries), secure transporters, and safety compliance facilities (testing labs). The MMFLA created the Bureau of Medical Marihuana Regulation within the Department of Licensing and Regulatory Affairs (LARA), granting it authority to deny, suspend, or revoke licenses for violations of the act or administrative rules. Initial enforcement focused on unlicensed dispensaries operating under the 2008 law's ambiguous language. Between January 2018 and November 2019, the state issued 127 cease-and-desist orders to unlicensed provisioning centers.

2018-2019: Adult-Use Legalization and Dual Markets

Michigan voters approved Proposal 1 (the Michigan Regulation and Taxation of Marihuana Act) in November 2018 with 56% support, legalizing adult-use cannabis for individuals 21 and older. The MRTMA, codified at MCL 333.27951 et seq., authorized possession of up to 2.5 ounces in public and 10 ounces at home, plus cultivation of up to 12 plants for personal use. The statute directed LARA to establish an adult-use licensing system by December 2019. Critically, the MRTMA granted municipalities explicit authority to ban or limit cannabis establishments through local ordinance, creating a patchwork of 1,400+ local regulatory environments. The first adult-use sales occurred on December 1, 2019, at existing medical provisioning centers that obtained adult-use retail licenses, marking the beginning of Michigan's dual-market structure. This system allows businesses to hold both medical and adult-use licenses at the same location, but requires separate inventory tracking and compliance for each market.

2020-2022: Enforcement Expansion and Metrc Implementation

In April 2019, Michigan contracted with Metrc (Marijuana Enforcement Tracking Reporting Compliance) to implement mandatory seed-to-sale tracking. The system went live for medical licensees in September 2019 and adult-use operators in December 2019. Metrc integration enabled real-time enforcement by flagging inventory discrepancies, unreported waste, and transfer violations, resulting in a 340% increase in compliance investigations between 2020 and 2021. The Cannabis Regulatory Agency (CRA), which replaced the Bureau of Medical Marihuana Regulation in April 2019, expanded its enforcement division from 12 to 47 investigators during this period. The CRA issued its first major penalty in August 2020, fining a Detroit provisioning center $100,000 for selling untested product. This established the agency's willingness to impose six-figure penalties, a significant escalation from the warning letters and temporary suspensions that characterized early enforcement.

2023-2024: Product Safety Crisis and Testing Reform

Between January and June 2023, the CRA issued mandatory recalls affecting 1.9 million units of cannabis products due to pesticide contamination, yeast/mold exceedances, and labeling violations. The recalls exposed systemic issues in Michigan's testing regime, where 32 licensed laboratories applied inconsistent methodologies and detection limits. In November 2023, the CRA adopted emergency rules requiring all testing facilities to achieve ISO/IEC 17025 accreditation by July 2024, a standard requiring documented quality management systems and proficiency testing. Seven laboratories failed to achieve accreditation and surrendered their licenses, consolidating testing capacity among the remaining 25 facilities. The testing crisis prompted legislative scrutiny. The Michigan House Regulatory Reform Committee held four hearings between February and May 2024, examining CRA enforcement practices and laboratory oversight. No legislation resulted, but the hearings established legislative expectations for more aggressive enforcement of testing violations.

2025-2026: Record Enforcement and Interstate Diversion Investigations

The CRA's enforcement activity reached unprecedented levels in 2025. The agency conducted 2,847 compliance inspections, issued 412 violations, and imposed $4.7 million in civil fines—a 280% increase over 2024's $1.68 million total. Interstate diversion became a primary enforcement focus following a May 2025 joint investigation with the Drug Enforcement Administration (DEA) that traced 1,200 pounds of Michigan-licensed cannabis to unlicensed retailers in Ohio and Indiana. The investigation resulted in the revocation of three cultivation licenses and criminal charges against two licensees under 21 U.S.C. § 841 (federal distribution statute). The September 2026 record fine and license revocation represents the culmination of this enforcement escalation, signaling that the CRA will deploy its maximum statutory penalties—including permanent license revocation—for violations it deems egregious.

Key Players in Michigan Cannabis Enforcement

Cannabis Regulatory Agency (CRA)

The Cannabis Regulatory Agency, established within the Michigan Department of Licensing and Regulatory Affairs in April 2019, serves as the state's primary cannabis enforcement body with authority over all medical and adult-use licensees. The CRA operates through four divisions: Licensing (application review and renewal), Compliance (inspections and investigations), Legal (enforcement actions and hearings), and Laboratory (testing oversight). As of September 2026, the agency employs 183 full-time staff, including 52 compliance investigators who conduct unannounced facility inspections. Executive Director Brian Hanna, appointed in January 2024, previously served as deputy director of Michigan's Liquor Control Commission. Under his leadership, the CRA adopted a "zero-tolerance" approach to testing violations and interstate diversion, publicly stating in a March 2025 stakeholder meeting that "Michigan will not be a source state for illicit markets." The CRA's enforcement authority derives from MCL 333.27207 (MMFLA) and MCL 333.27958 (MRTMA), which authorize the agency to impose civil fines up to $10,000 per violation, suspend licenses for up to six months, or permanently revoke licenses. Administrative penalties are appealable to the Michigan Court of Claims.

Michigan State Police (MSP)

The Michigan State Police Cannabis and Tobacco Diversion Section, created in January 2022, investigates criminal violations including unlicensed cultivation, interstate trafficking, and organized retail crime targeting licensed dispensaries. MSP maintains a 14-member Cannabis Enforcement Team that coordinates with the CRA on joint investigations, particularly cases involving potential criminal charges under Michigan's criminal code (MCL 750.1 et seq.) or federal statutes. The MSP's role expanded significantly following the May 2025 interstate diversion case, which demonstrated that licensed operators could face both administrative penalties from the CRA and criminal prosecution. Between June 2025 and August 2026, MSP initiated 37 criminal investigations of licensed cannabis businesses, resulting in 12 prosecutions.

Local Law Enforcement and Municipal Regulators

Michigan's 1,856 cities, villages, and townships exercise substantial control over cannabis enforcement through local ordinances adopted under the MRTMA's municipal opt-in provision (MCL 333.27956). As of September 2026, 1,294 municipalities prohibit all cannabis establishments, 447 allow medical-only facilities, and 115 permit both medical and adult-use operations. Municipalities that opt in typically impose additional requirements including local licensing, facility inspections, and operational restrictions beyond state rules. Detroit, Michigan's largest city with 71 active provisioning centers, operates its own cannabis regulatory framework requiring separate city licenses, quarterly compliance audits, and payment of a 4% local excise tax in addition to the state's 10% adult-use tax. Local police departments enforce criminal provisions including unlicensed sales, public consumption, and violations of the MRTMA's possession limits (MCL 333.27965). Enforcement priorities vary dramatically by jurisdiction, with some communities conducting regular compliance checks while others adopt hands-off approaches.

Testing Laboratories and Third-Party Auditors

Michigan's 25 licensed safety compliance facilities conduct mandatory testing for potency, pesticides, heavy metals, mycotoxins, microbials, and residual solvents. Testing labs operate under CRA oversight and must report all results directly to Metrc within 24 hours of analysis completion. The CRA's Laboratory Division conducts proficiency testing twice annually, submitting blind samples to each licensed lab to verify accuracy and consistency. Labs that fail proficiency testing face immediate license suspension until they demonstrate corrective action. In March 2026, two laboratories had their licenses suspended for 90 days after reporting THC potency results more than 15% higher than reference values, a violation indicating potential "lab shopping" by clients seeking inflated potency labels.

Industry Associations and Advocacy Groups

The Michigan Cannabis Industry Association (MiCIA), representing approximately 400 licensees, serves as the primary industry voice in regulatory proceedings. MiCIA submits formal comments on proposed rules and advocates for enforcement reforms including standardized penalty schedules and cure periods for minor violations. The Michigan Cannabis Manufacturers Association (MCMA) focuses specifically on processor and infused product manufacturer interests, advocating for clearer labeling requirements and testing protocols for edibles, concentrates, and topicals. Patient advocacy organizations including the Michigan Cannabis Patient Rights Association monitor enforcement actions affecting medical access, particularly license revocations that reduce product availability in underserved regions.

Legal and Regulatory Framework

Michigan cannabis enforcement operates under a complex statutory framework combining two voter-initiated laws, administrative rules spanning 14 chapters, and municipal ordinances that create 1,856 distinct local regulatory environments.

Statutory Foundation

The Michigan Medical Marihuana Act (MMMA), MCL 333.26421 et seq., governs the patient-caregiver system established in 2008. While the 2016 Medical Marihuana Facilities Licensing Act created commercial licensing, the MMMA remains in effect for registered patients and caregivers operating outside the licensed system. The Medical Marihuana Facilities Licensing Act (MMFLA), MCL 333.27101 et seq., establishes the medical commercial licensing framework and grants the CRA authority to regulate medical cannabis businesses. Section 333.27207 authorizes the CRA to impose penalties including fines, suspensions, and revocations. The Michigan Regulation and Taxation of Marihuana Act (MRTMA), MCL 333.27951 et seq., governs adult-use cannabis. Section 333.27958 grants the CRA parallel enforcement authority over adult-use licensees, with identical penalty provisions as the MMFLA.

Administrative Rules

The CRA has adopted comprehensive administrative rules codified in the Michigan Administrative Code. Medical cannabis rules appear at R 333.101 through R 333.1602, while adult-use rules are codified at R 333.1 through R 333.1502. Key enforcement provisions include mandatory Metrc tracking (R 333.208, R 333.1208), product testing requirements (R 333.1401-1408), inventory reconciliation standards (R 333.209), and advertising restrictions (R 333.1502). The rules establish specific violation categories with corresponding penalty ranges. Tier 1 violations (minor recordkeeping errors, late Metrc entries) typically result in warnings or fines up to $1,000. Tier 2 violations (testing failures, inventory discrepancies exceeding 3%) carry fines from $2,000 to $5,000. Tier 3 violations (interstate diversion, intentional mislabeling, sale of untested product) trigger fines exceeding $5,000 and potential license revocation.

Federal Law Intersection

Cannabis remains a Schedule I controlled substance under the federal Controlled Substances Act, 21 U.S.C. § 812. Michigan licensees operate in violation of federal law, though the Department of Justice has generally declined to prosecute state-compliant operators following guidance established in the 2013 Cole Memorandum (rescinded in 2018 but informally observed). Interstate diversion cases trigger federal jurisdiction, as cannabis crossing state lines violates 21 U.S.C. § 841 (distribution) and 21 U.S.C. § 952 (importation/exportation). The May 2025 Michigan-Ohio diversion investigation resulted in federal charges precisely because product crossed state boundaries, transforming a state regulatory matter into a federal felony case. Michigan licensees also face federal tax consequences under Internal Revenue Code § 280E, which prohibits businesses trafficking in Schedule I substances from deducting ordinary business expenses. This provision remains in effect regardless of state legalization and significantly impacts profitability calculations for operators facing large CRA fines.

Municipal Authority

The MRTMA's Section 6 (MCL 333.27956) grants municipalities explicit authority to "completely prohibit or limit the number of marihuana establishments" within their boundaries. This provision creates a dual-licensing system where operators must obtain both state CRA approval and local authorization. Municipal enforcement typically focuses on zoning compliance, operating hours, security requirements, and local tax collection. Some municipalities impose stricter standards than state rules—for example, limiting THC potency in edibles to 5mg per serving compared to the state's 10mg limit, or requiring video surveillance retention for 90 days versus the state's 30-day minimum.

Michigan's Enforcement Record: A State-by-State Context

Michigan's enforcement intensity ranks among the highest in the nation when measured by penalties per licensed facility, with the state averaging 0.22 violations per active license during 2025 compared to the national average of 0.09.

State	Active Licenses (2025)	Violations Issued	Total Fines	Licenses Revoked	Violations per License
Michigan	1,847	412	$4,700,000	8	0.22
California	8,934	623	$2,100,000	34	0.07
Colorado	2,917	187	$890,000	12	0.06
Illinois	786	34	$410,000	2	0.04
Massachusetts	1,203	89	$670,000	5	0.07
Oklahoma	6,847	1,203	$3,200,000	247	0.18

Michigan's aggressive posture reflects several factors. Unlike limited-license states such as Illinois, Michigan's open-market structure created intense competition and price compression, incentivizing some operators to cut compliance corners to reduce costs. The state's geographic position—bordering Ohio, Indiana, Wisconsin, and Canada—makes it a natural source for interstate diversion, attracting heightened federal scrutiny that state regulators must address to maintain the program's viability. Oklahoma is the only state with comparable enforcement intensity, issuing 1,203 violations across its 6,847 medical licenses during 2025, though Oklahoma's violations primarily targeted unlicensed operators rather than licensed facilities. California, despite having the nation's largest cannabis market, issued fewer total violations than Michigan while regulating nearly five times as many licenses. This reflects California's under-resourced enforcement infrastructure and ongoing challenges with illicit market competition.

Market and Business Implications

Aggressive enforcement reshapes Michigan's cannabis market by increasing compliance costs, consolidating market share among well-capitalized operators, and creating supply disruptions that affect wholesale pricing and product availability.

Compliance Cost Escalation

Michigan operators report that compliance costs—including Metrc fees, testing expenses, legal counsel, and dedicated compliance staff—now represent 12-18% of gross revenue, up from 7-9% in 2022. A mid-sized cultivation facility (10,000 square feet) typically spends $180,000-$240,000 annually on compliance, including: - Metrc tagging and tracking: $35,000-$45,000 - Mandatory product testing: $60,000-$80,000 - Compliance staff salaries: $55,000-$75,000 - Legal and consulting: $30,000-$40,000 The September 2026 record fine, reportedly exceeding $1 million, represents a compliance cost that few operators can absorb without significant financial restructuring or investor support. This creates a competitive advantage for MSOs with access to institutional capital and in-house legal teams.

Market Consolidation Dynamics

License revocations and large fines accelerate market consolidation. Between January 2024 and August 2026, Michigan's active license count declined from 2,103 to 1,847—a 12% reduction driven by voluntary surrenders, revocations, and non-renewals. MSOs have expanded their Michigan footprint during this period. Green Thumb Industries increased from 8 to 13 retail locations, Verano Holdings grew from 6 to 11, and Cresco Labs expanded from 4 to 9. These operators leverage multi-state compliance expertise and can implement standardized operating procedures across facilities, reducing violation risk. Craft operators face disproportionate enforcement risk due to limited compliance resources and reliance on third-party service providers for testing, transportation, and inventory management. A single testing failure or Metrc discrepancy can trigger violations that smaller operators lack the capital to contest through administrative hearings.

Wholesale Pricing Volatility

Enforcement actions that remove cultivation capacity from the market create temporary supply constraints that affect wholesale pricing. Following a March 2026 action that suspended three large cultivation licenses for 90 days, wholesale flower prices increased from $850/pound to $1,150/pound over a six-week period before normalizing as other growers expanded production. Product-specific enforcement—such as recalls affecting specific concentrate manufacturers—creates substitution effects. The September 2026 action against a "popular product maker" likely involves a processor or infused product manufacturer, potentially removing specific product formats (e.g., vape cartridges, edibles) from retail shelves and driving consumers toward alternative formats or brands.

Investment and Capital Access

Heightened enforcement risk affects Michigan's attractiveness to institutional investors and lenders. Cannabis-focused private equity firms increasingly conduct multi-day compliance audits before closing acquisitions, with some deals including price adjustments or escrows to cover potential CRA penalties discovered post-closing. Debt financing costs have increased as lenders price in enforcement risk: Michigan operators now pay 14-18% interest on senior secured loans compared to 11-14% for comparable operators in Colorado or Massachusetts.

What Experts Say

Industry stakeholders, legal experts, and policy analysts offer divergent perspectives on Michigan's enforcement approach, with operators seeking greater procedural clarity while regulators defend aggressive action as necessary to protect program integrity. Andrew Brisbo, former CRA executive director who led the agency from 2019 to 2023, stated in a July 2024 interview with MJBizDaily that Michigan's enforcement evolution reflected the program's maturation. According to Brisbo, early enforcement focused on bringing unlicensed operators into the regulated system, while current enforcement addresses sophisticated violations by licensed operators who understand the rules but choose to violate them for competitive advantage. Robin Schneider, executive director of the Michigan Cannabis Industry Association, said in an August 2026 stakeholder meeting that the industry supports strong enforcement but seeks more transparent penalty guidelines. According to Schneider, the CRA's discretion to impose fines ranging from $1,000 to $10,000 for the same violation category creates uncertainty that makes compliance planning difficult. Attorney Matt Abel, who has represented Michigan cannabis clients since 2008, told the Detroit Free Press in September 2026 that the CRA's administrative hearing process lacks sufficient due process protections. According to Abel, operators facing license revocation should have access to formal discovery, cross-examination of CRA witnesses, and neutral administrative law judges rather than CRA-employed hearing officers. Dr. Lev Spivak-Birndorf, a cannabis testing expert who has consulted for Michigan laboratories, said in a March 2025 industry presentation that Michigan's ISO 17025 accreditation requirement represents the gold standard for testing oversight but created capacity constraints as seven labs exited the market. According to Spivak-Birndorf, the remaining labs face 3-5 day testing backlogs during peak harvest periods, forcing some cultivators to hold inventory longer than optimal, affecting product freshness. Rick Thompson, a longtime Michigan cannabis activist and consultant, stated in a June 2026 podcast interview that aggressive enforcement disproportionately affects social equity licensees who lack the capital reserves to survive extended license suspensions or large fines. According to Thompson, the CRA should implement tiered penalty structures that account for operator size and resources.

What's Next: Enforcement Trajectory and Decision Points

Michigan cannabis enforcement will evolve through several near-term decision points including potential federal rescheduling, CRA rule revisions, and legislative oversight that could reshape the regulatory landscape through 2027.

Federal Rescheduling Impact

The Drug Enforcement Administration's ongoing review of cannabis scheduling, initiated by President Biden's October 2022 directive, could result in cannabis moving from Schedule I to Schedule III under the Controlled Substances Act. If rescheduling occurs in 2027 as some analysts predict, Michigan operators would gain access to normal business tax deductions under Internal Revenue Code § 280E, improving profitability by 15-25%. Rescheduling would not eliminate state enforcement authority but could reduce federal prosecution risk for interstate diversion cases, potentially allowing Michigan to authorize interstate commerce with other legal states. The CRA would need to develop new rules governing interstate transfers, testing reciprocity, and transport manifesting.

CRA Rule Revisions

The CRA has announced plans to revise its administrative rules during 2027, with stakeholder comment periods expected in Q1 and Q2. Proposed revisions reportedly include: - Standardized penalty schedules with specific fine amounts for each violation type - Cure periods allowing operators to correct minor violations before penalties are imposed - Revised testing protocols for hemp-derived products and THCA flower - Updated Metrc requirements for waste tracking and inventory adjustments Industry associations are advocating for an appeals process that includes independent administrative law judges rather than CRA-employed hearing officers, similar to the structure used in Colorado and Massachusetts.

Legislative Oversight

The Michigan Legislature's 2027-2028 session will include renewed scrutiny of CRA enforcement practices. Representative Yousef Rabhi, chair of the House Regulatory Reform Committee, stated in August 2026 that his committee would hold hearings examining the CRA's penalty assessment process and whether current enforcement disproportionately affects small operators. Potential legislative action could include amendments to the MRTMA requiring the CRA to adopt formal penalty schedules, establish an independent appeals board, or create a cure period for first-time violations. However, any MRTMA amendments require a three-quarters legislative supermajority under Michigan's constitutional provisions governing voter-initiated laws, making significant changes unlikely without broad bipartisan support.

Market Maturation and Compliance Technology

As Michigan's market matures, operators are investing in compliance technology including automated Metrc integration, AI-powered inventory reconciliation, and blockchain-based supply chain tracking. These systems reduce human error that accounts for an estimated 60% of Tier 1 violations. Third-party compliance services are expanding, with firms offering subscription-based monitoring that alerts operators to potential violations before they trigger CRA enforcement. This compliance-as-a-service model, priced at $2,000-$5,000 monthly, is becoming standard for mid-sized operators seeking to avoid costly penalties.

Further Reading: Primary Sources and References

• Michigan Cannabis Regulatory Agency Official Website: https://www.michigan.gov/cra - Current rules, licensing data, and enforcement actions
• Michigan Compiled Laws, Chapter 333 (Public Health Code): http://www.legislature.mi.gov/mileg.aspx?page=getObject&objectName=mcl-chap333 - Full text of MMMA, MMFLA, and MRTMA statutes
• Michigan Administrative Code, Cannabis Rules: https://www.michigan.gov/cra/rules - Complete administrative rules for medical and adult-use programs
• Metrc Michigan Support Portal: https://mi.metrc.com - Seed-to-sale tracking system documentation and compliance guides
• Michigan Cannabis Industry Association: https://www.micannabisindustry.org - Industry advocacy, compliance resources, and regulatory updates
• CRA Enforcement Actions Database: https://www.michigan.gov/cra/enforcement - Searchable database of violations, fines, and license actions
• Michigan Supreme Court Cannabis Cases: https://courts.michigan.gov - Full text of *People v. Kolanek* and other precedential decisions
• MJBizDaily Michigan Coverage: https://mjbizdaily.com/tag/michigan/ - Industry news and market analysis
• Michigan Department of Treasury, Marijuana Tax Reports: https://www.michigan.gov/treasury/marijuana - Monthly tax collection data and market statistics
• DEA Diversion Control Division: https://www.deadiversion.usdoj.gov - Federal enforcement guidance and interstate trafficking investigations