UK EV drivers using medical cannabis should be aware of 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 be aware of the ‘in charge’ rules, which mean you can be charged if there’s over 2 micrograms of THC per litre of blood while your vehicle is connected to a charger