UK EV drivers using medical cannabis should be aware of the ‘in charge’ rules,...
https://www.bookmark-belt.win/uk-ev-drivers-using-medical-cannabis-should-be-aware-of-the-in-charge-rules-1
UK EV drivers using medical cannabis should be aware of the ‘in charge’ rules, which mean you can be tested even while parked and charging. The legal THC limit is 2 micrograms per litre of breath