UK EV drivers using medical cannabis should note that the ‘in charge’ rules...
https://averysnewchat.zenbloomer.com/posts/can-forensic-tests-tell-pharmaceutical-cannabis-from-street-cannabis
UK EV drivers using medical cannabis should note that the ‘in charge’ rules mean you can be tested for THC even when parked and charging. The legal limit remains 2 micrograms per litre of blood