D.C. Mun. Regs. tit. 17, r. 17-999
Synthetic Drug - Any product possessed, provided, distributed, sold, and/or marketed with the intent that it be used as a recreational drug, such that its consumption or ingestion is intended to produce effects on the central nervous system or brain function to change perception, mood, consciousness, cognition and/or behavior in ways that are similar to the effects of marijuana, cocaine, amphetamines or Schedule 1 narcotics. Additionally, any chemically synthesized product (including products that contain both a chemically synthesized ingredient and herbal or plant material) possessed, provided, distributed, sold and/or marketed with the intent that the product produce effects substantially similar to the effects created by compounds banned by District or Federal synthetic drug laws or by the U.S. Drug Enforcement Administration pursuant to its authority under the Controlled Substances Act.
D.C. Mun. Regs. tit. 17, r. 17-999