D.C. Mun. Regs. tit. 22-C, § 5800
5800.1 Signs located on the exterior of a licensed establishment that advertise medical cannabis shall not, in the aggregate, exceed ten (10) square feet; provided, that the square footage of any signs located on the exterior of the licensed establishment that contain only a licensed establishment's trade name shall not count toward the ten (10) square foot limit.
5800.2 (a) An exterior-facing sign placed on a window of a licensed establishment that indicates that there is medical cannabis on the property shall only be placed on the interior side of such window.
(b) Signs placed on the windows of a licensed establishment shall not, in aggregate, occupy more than twenty-five percent (25%) of the window space.
5800.3 No sign related to medical cannabis or that indicates the presence of medical cannabis at the licensed establishment shall be posted on any side of an exterior entrance or exit door of the licensed establishment.
5800.4 The owner of a licensed establishment shall remove from the establishment any sign that does not conform to this section.
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, 10214 (December 2, 2011); as amended by Notice of Final Rulemaking published at 73 DCR 003195 (March 6, 2026).