While other U.S. cities enjoy the recreational use of medical marijuana, California cities are still struggling to define policies for regulating medical marijuana. Officials in San Jose, the city with the largest population in the Bay Area and the 10th largest in the U.S., are expected to vote on Tuesday on new laws to regulate its numerous medical marijuana dispensaries.

The city council is scheduled to vote on “an ordinance that would zone out most of the city’s pot clubs and impose a ‘closed-loop’cultivation system requiring dispensaries to grow the drug on-site. It would also put in place buffer zones between pot clubs and schools, community centers, homes, rehab clinics and other ‘sensitive use’ facilities,” according to a report today on political blog SanJoseInside.com.

“Cannabis club owners consider the proposal a de facto ban,” according to SanJoseInside while “proponents of the rules say it’s a much-needed check after years of unbridled growth in the local marijuana sector.

San Jose is home to more than 30 medical marijuana dispensaries that have been subject to a variety of local polices and regulations since Proposition 215 was passed in 1996.