In the UK, medical cannabis for unlicensed specials follows strict MHRA...

https://www.mediafire.com/file/tn02vos3qx0fjll/pdf-60032-74912.pdf/file

In the UK, medical cannabis for unlicensed specials follows strict MHRA oversight to ensure patient safety. Producers must meet Good Manufacturing Practice (GMP) and Good Agricultural and Collection Practice (GACP) standards