UK EV drivers using medical cannabis need to be aware of the ‘in charge’ rules....

https://www.emergbook.win/uk-ev-drivers-prescribed-medical-cannabis-need-to-be-aware-of-in-charge-rules

UK EV drivers using medical cannabis need to be aware of the ‘in charge’ rules. Even when parked and charging, the strict 2 micrograms per litre THC limit applies