UK EV drivers using medical cannabis should be aware that the 'in charge' rules...

https://codysimpressiveperspectives.hexaforgey.com/posts/slow-public-charging-for-hours-what-should-prescribed-patients-do

UK EV drivers using medical cannabis should be aware that the 'in charge' rules apply even when parked and charging. The legal THC limit of 2 micrograms per litre means a roadside swab can lead to a blood test