UK EV drivers using medical cannabis should know that ‘in charge’ rules apply...
https://www.phone-bookmarks.win/uk-ev-drivers-with-a-medical-cannabis-prescription-should-know-that-the-in
UK EV drivers using medical cannabis should know that ‘in charge’ rules apply even when parked and charging. The legal THC limit is 2 micrograms per litre of blood. A roadside swab may lead to a blood test at a station, regardless of your prescription