UK EV drivers with a medical cannabis prescription should know that ‘in charge’...

https://wiki-square.win/index.php/Can_I_Drive_if_My_Prescriber_Never_Talked_About_Driving_at_All%3F

UK EV drivers with a medical cannabis prescription should know that ‘in charge’ rules apply when parked and charging. The legal THC limit is 2 micrograms per litre of breath. A roadside swab can still trigger a blood test, even if you have a prescription