UK EV drivers with a medical cannabis prescription should be aware that ‘in...

https://evpowered.co.uk/feature/electric-vehicles-and-medical-cannabis-what-uk-drivers-need-to-know-about-the-law/

UK EV drivers with a medical cannabis prescription should be aware that ‘in charge’ rules mean you can face a roadside drug driving test even while parked and charging. The legal THC limit is just 2 micrograms per litre of blood