In the UK, medical cannabis unlicensed specials follow strict supply chain...

https://extra-wiki.win/index.php/What_Should_I_Ask_a_Clinic_About_Where_My_Medical_Cannabis_Comes_From%3F

In the UK, medical cannabis unlicensed specials follow strict supply chain rules. The process includes Good Manufacturing Practice (GMP) and Good Agricultural and Collection Practice (GACP) standards to ensure quality