D.C. Mun. Regs. tit. 22-C, § 1008
1008.1 A licensee that does not hold a safe-use treatment facility endorsement, summer garden, or an education tasting endorsement shall not allow any person to consume, inhale, or otherwise use medical cannabis or medical cannabis products on the premises or possess medical cannabis or medical cannabis products on the premises in an open or unsealed container.
SOURCE: Final Rulemaking published at 73 DCR 002136 (February 20, 2026).