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manufactured cannabis safety BRANCH

Welcome to the Manufactured Cannabis Safety Branch (MCSB)  

MCSB (formerly OMCS) was established in the Center for Environmental Health of the California Department of Public Health (CDPH) after the Governor signed into law the Medical Cannabis Regulation and Safety Act in 2015. The Act established a licensing and regulatory framework for the cultivation, manufacture, transport, storage, distribution, and sale of medical cannabis in California.

The following Departments are establishing regulations for the cannabis industry:

For more information on the Bureau of Cannabis Control or CalCannabis, please visit the California Cannabis Portal.


In April 2017, CDPH released proposed medical cannabis manufacturing regulations. These regulations have since been withdrawn to address changes created by the Medicinal and Adult-Use Cannabis Regulation and Safety Act (MAUCRSA), signed into law in late June. MAUCRSA was the result of SB 94 (known as the "trailer bill") and harmonized MCRSA and Proposition 64, a ballot initiative approved by voters in 2016 that allows for adult-use cannabis sales in California. The Act created one regulatory framework for both medicinal and adult-use cannabis.


MCSB is currently developing statewide standards, regulations, and licensing procedures and addressing policy issues in support of cannabis manufacturers. New regulations are expected to be released late-November, 2017.

Public Comment Summary and Response - Proposed Medical Regulation (PDF)

Summary of Proposed Medical Regulations (PDF)

Proposed Medical Regulation Text (PDF)

Notice of Proposed Action (NOPA) -  Medical Regulations (PDF)

Initial Statement of Reasons (ISOR) - Medical Regulations (PDF)

Standardized Regulatory Impact Assessment (SRIA) (PDF)


Please note that we are not currently issuing licenses. We are currently developing the regulations that will define licensing requirements. We anticipate receiving applications for licenses beginning on January 1, 2018. 

Please feel free to check back periodically for updated information, workshops in your area, or for ways in which you can provide feedback and public comment.

Contact Us:

 Subscribe to our ListServ to receive email notifications of MCSB regulatory updates and related information. To subscribe to the list, please send an email to LISTSERV@MAILLIST.DHS.CA.GOV with SUBSCRIBE MCSB in the body of your message (not the subject line).

California Department of Public Health

Manufactured Cannabis Safety Branch

PO Box 997377

MS 7606

Sacramento CA 95899-7377


For Courier Deliveries Only:

California Department of Public Health

Manufactured Cannabis Safety Branch

1500 Capitol Ave, Ste. 520

Sacramento CA 95814

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