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

https://wiki-book.win/index.php/How_Long_Should_I_Wait_After_Taking_CBPM_Before_I_Drive%3F

UK EV drivers using medical cannabis should be aware of the ‘in charge’ rules that apply even when parked and charging. A strict 2 micrograms per litre THC limit means roadside swabs can trigger a mandatory blood test