6401.1 A testing laboratory shall not be owned or operated, in whole or in part, by a director, officer, member, incorporator, agent, or employee of a cultivation center, manufacturer, internet retailer, retailer, or testing laboratory.6401.2 No owner, member, manager, employee, or agent of a testing laboratory shall have an ownership interest in, or a direct or indirect financial interest in any other licensed medical cannabis business except for one (1) or more testing laboratories.6401.3 A testing laboratory shall not handle, test, or analyze medical cannabis or medical cannabis products in the District of Columbia unless the laboratory has been issued a medical cannabis license.6401.4 Medical cannabis or medical cannabis products shall be sold only after a representative sample has been tested by a registered testing laboratory and the test results have been uploaded to the District of Columbia's electronic tracking system, which verify the medical cannabis sample has received passing results.6401.5 A testing laboratory shall not cultivate, process, manufacture, distribute, provide, or sell medical cannabis or medical cannabis products in any form.6401.6 A testing laboratory shall not permit the consumption of medical cannabis or medical cannabis products in any form on the premises.6401.7 A testing laboratory shall not share a facility with a licensed medical cannabis business but may operate in the same building so long as it has its own separate space.6401.8 A testing laboratory shall not falsify, change, modify, or otherwise alter in any way the results of quantitative or other analyses performed on samples or the corresponding certificates of analysis.6401.9 A testing laboratory shall not employ any sampling methods that do not ensure that a random sample is collected for analysis, or that could provide results that are not representative of a batch or lot from which a sample is taken.6401.10 A testing laboratory shall not prepare samples in such a manner as to provide results that are not representative of a batch or lot from which a sample is taken.6401.11 A testing laboratory shall not store medical cannabis or medical cannabis products in quantities greater than that which is necessary to perform required analysis.6401.12 A testing laboratory shall not transport medical cannabis or medical cannabis products in quantities greater than that which is necessary to perform required

analysis.

6401.13 A testing laboratory shall not perform analysis on any medical cannabis or medical cannabis products that has not been obtained from a licensed medical cannabis business.

6401.14 A testing laboratory shall not perform analysis on any medical cannabis or medical cannabis product that has not been identified in the real-time electronic records system.

6401.15 A testing laboratory shall not endorse, advertise, or make claims on behalf of any cultivation center, dispensary, brand or strain of medical cannabis, or brand or type of medical cannabis product.

SOURCE: Final Rulemaking published at 66 DCR 10217 (August 9, 2019); 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).