UK EV drivers using medical cannabis should know that the ‘in charge’ rules...

https://bizzmarkblog.com/what-if-i-am-charging-at-home-on-my-driveway-does-in-charge-apply/

UK EV drivers using medical cannabis should know that the ‘in charge’ rules apply even while parked and charging. The 2 micrograms per litre THC limit means a positive roadside swab could lead to a mandatory blood test at a station