California’s Emergency Rule to Split M and A Cannabis Licenses

California regulators have moved on an emergency basis to let dual-designation cannabis retailers separate their medicinal and adult-use operations into two distinct licenses. For roughly 1,600 eligible businesses, the proposal opens a door, but it comes with a short comment window and strict conditions.

The Rescheduling Backdrop

The catalyst is a federal action taken in late April 2026. The U.S. Department of Justice and the Drug Enforcement Administration moved FDA-approved cannabis drug products and state-licensed medical marijuana to Schedule III of the Controlled Substances Act, while adult-use cannabis remained on Schedule I. Critically, the federal order reaches only marijuana handled under a qualifying state-issued medical marijuana license, and it offers state-licensed medical operators a narrow, time-limited pathway to register with the DEA (CaNORML analysis; Marijuana Moment).

We have written separately about that federal registration deadline. What matters here is its downstream effect on state licensing: to use the federal pathway, an operator needs a clean medicinal license. That is a problem for the many California businesses whose single license blends both medicinal and adult-use authority, and it is the problem the Department of Cannabis Control’s emergency rulemaking is built to solve.

Why a Blended License Is Now a Problem

Under California’s Medicinal and Adult-Use Cannabis Regulation and Safety Act (MAUCRSA), every commercial cannabis license carries an “M” designation for medicinal activity, an “A” designation for adult-use activity, or both. Many retailers and microbusinesses operate under one license that carries both designations, allowing a single premises to serve both markets. For years, that blended structure was an efficiency. After federal rescheduling, it has become a structural mismatch.

The federal framework recognizes a qualifying state-issued medical marijuana license as the basis for DEA registration. A license that blends medicinal and adult-use activity does not map cleanly onto that framework. An operator in that position holds a medicinal business that may now be eligible for Schedule III treatment, fused to an adult-use business that is not. Pursuing the federal pathway without abandoning adult-use sales requires a clean, standalone medicinal license, which, until now, California’s licensing structure did not readily provide.

Inside Emergency Rulemaking DCC-2026-03-E

On May 18, 2026, the Department of Cannabis Control issued public notice of emergency rulemaking action DCC-2026-03-E, “Modifications to A and M Designation” (DCC rulemaking page). The proposal would create an expedited pathway for retail and microbusiness licensees that currently hold both A and M designations to separate into two distinct licenses, one adult-use and one medicinal, at the same premises location.

The expedited process is what makes the action notable. Splitting a license would ordinarily be a slow, multi-step undertaking. The emergency rule is designed to compress that timeline so eligible operators can act before the federal registration window closes. The DCC has been candid about the scale: it estimates roughly 1,600 licensed retailers and microbusinesses hold the dual designations that would make them eligible, while acknowledging it does not know how many will actually pursue the change.

The proposal also includes a notable structural feature. It would allow the new medicinal license to be held by a second, related legal entity rather than forcing all activity to remain under the original licensee (Marijuana Herald). That flexibility matters, because federal registration and the tax and compliance posture that follow from it may be cleaner to manage through a dedicated medicinal entity.

The comment period is brief. The Office of Administrative Law will accept public comment from May 27 through May 31, 2026, with copies directed to the DCC (DCC rulemaking notice). Emergency regulations, once approved, typically take effect quickly and remain in place while the agency pursues a permanent version through standard notice-and-comment rulemaking. Operators who want to influence the final shape of the rule have a narrow window to do so.

The Strings Attached

A separation under this pathway is not a clean break. According to the notice, an A-licensee and an M-licensee operating at the same premises would need to share identical individual owners and the same designated responsible party. The two operations would need physically separated cannabis products, separate inventory, and separate business records. And the entities would carry joint and several liability for obligations, debts, and violations arising under either license (per the rulemaking notice).

That last condition deserves emphasis. Operators sometimes assume that creating a second entity builds a liability firewall between two lines of business. Under this rule as proposed, it would not. The structure is “separate” for the purpose of federal eligibility but tightly bound for the purpose of accountability. A problem on the medicinal side could reach the adult-use entity, and the reverse is equally true. The ownership-alignment requirement also means there is little room to bring in new capital or partners on only one side of the split without affecting the other.

What This Means for Operators

For dual-designation retailers and microbusinesses, the practical takeaway is that timing now drives strategy. The DCC’s comment period and the broader federal calendar mean decisions that might ordinarily take a quarter to evaluate may need to be made in weeks. Operators considering a split should be modeling the question now rather than waiting for the emergency rule to be finalized.

Several issues deserve early attention. Ownership and control must line up, because the A and M licensees would need identical individual owners and the same designated responsible party; any ownership cleanup is best handled before, not during, a separation. Operational readiness matters too, since physically separated products, inventory, and recordkeeping are conditions of the structure rather than optional best practices. And because the entities would share joint and several liability, the decision to split should be evaluated for what it does and does not protect.

Compliance history is also an asset worth protecting. Federal registration generally involves a public-interest review, so a clean DCC record strengthens an operator’s position while unresolved enforcement matters weigh against it. Operators should likewise coordinate with tax advisors, because much of the value of a standalone medicinal license depends on federal tax questions that fall well outside the DCC’s authority.

Finally, operators should watch the rulemaking docket. Until DCC-2026-03-E is approved and effective, the separation pathway is a proposal, not a tool. Separately, the DCC has also streamlined the routine process for changing a license’s designation, a related but distinct development that some operators may find relevant. The comment period for the emergency rule is a genuine opportunity to raise practical concerns before the rule is locked in.

Talk to Counsel Before You Split

California’s emergency rulemaking is a meaningful opening for medicinal operators, but it pairs a real opportunity with real complexity, and a calendar that does not forgive delay. If you hold a dual-designation retail or microbusiness license and are weighing whether to separate your A and M operations, Baghoomian Law can help you evaluate the licensing, ownership, and compliance considerations specific to your business. Contact our team to discuss your California cannabis licensing strategy.

By the Baghoomian Law team

This post is for informational purposes only and does not constitute legal advice. Consult licensed counsel for advice on your specific situation.