In a bid to stem the flow of marijuana product to the black market, Oregon regulators have ordered a steep cut over the next six months in the amount of cannabis that medical MJ patients can buy on a daily basis.

The Oregon Liquor Control Commission (OLCC) last Thursday reduced purchasing limits for Medical Marijuana Program cardholders to 1 ounce of cannabis per day, down from the previous limit of 24 ounces per day. The rules took effect Aug. 24 and expire in six months.

oversupplied cannabis sector , including greater scrutiny from the state’s U.S. attorney, Billy Williams, who has tied the oversupply situation to the diversion of marijuana to the black market.

According to a news release, the “action on OMMP purchase limits is designed to prevent potential diversion of usable marijuana into the secondary illegal market.”

In other news, the OLCC issued the following decisions related to regulatory violations: