Per Se DUI Thresholds for THC
How U.S. states set blood-THC limits for driving, why those numbers are scientifically contested, and what the...
Rhode Island Medical Cannabis Qualifying Conditions
The conditions that qualify a Rhode Island patient for a medical marijuana card, the legal basis, and how the...
Robinson v. California (1962)
The Supreme Court case that held states cannot criminalize the mere status of being a drug addict under the Ei...
Safety-Sensitive Position Carve-Outs
How state cannabis employment protections exclude workers in jobs where impairment could cause serious harm to...
Schedule I and Cannabis
Cannabis has been a U.S. federal Schedule I controlled substance since 1970, though a formal rescheduling prop...
Section 280E of the Internal Revenue Code
The federal tax provision that bars cannabis businesses from deducting ordinary expenses, often producing crus...
TTB and Cannabis-Infused Beverages
How the U.S. Alcohol and Tobacco Tax and Trade Bureau treats THC, CBD, and hemp-derived ingredients in beverag...
UN Drug Treaties and Cannabis
How three international conventions shaped global cannabis prohibition, and what the 2020 WHO rescheduling act...
United States v. Oakland Cannabis Buyers' Cooperative
The 2001 Supreme Court decision that rejected a medical necessity defense to federal cannabis distribution cha...
Wilkinson Memo and Tribal Cannabis Sovereignty
Federal guidance on Native American tribal authority over cannabis cultivation, sales, and regulation.
Workplace Cannabis Testing Rights
An overview of employee and employer rights around cannabis drug testing in the United States, with major stat...