D.C. Mun. Regs. tit. 22-C, § 5705
5705.1 A medical cannabis business shall not permit the consumption of medical cannabis at the registered premises in any form. The medical cannabis business shall dispense or distribute medical cannabis in a closed container that shall not be opened after sale, or the contents consumed, on the premises where sold. An internet retailer or retailer may exhibit for display purposes only clear jars of medical cannabis to assist qualifying patients in making informed purchase making decisions.
5705.2 It shall be a violation of this subtitle for a medical cannabis business to have on the registered premises any medical cannabis or cannabis paraphernalia that shows evidence of the medical cannabis having been consumed or partially consumed.
SOURCE: Notice of Emergency and Third Proposed Rulemaking published at 58 DCR 3299 (April 15, 2011)[EXPIRED]; as amended by Notice of Emergency and Fourth Proposed Rulemaking published at 58 DCR 7207 (August 12, 2011)[EXPIRED]; as amended by Notice of Final Rulemaking published at 58 DCR 10128, 10213 (December 2, 2011); as amended by Final Rulemaking published at 71 DCR 002388 (March 8, 2024); as amended by Final Rulemaking published at 73 DCR 002136 (February 20, 2026).