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

https://dlf-ne.org/what-is-the-biggest-mistake-prescribed-patients-make-at-charge-points/

UK EV drivers using medical cannabis should be aware of ‘in charge’ rules that apply even when parked and charging. The legal THC limit is 2 micrograms per litre of blood, and roadside swabs can trigger further blood tests at a station