Since 2018, UK cannabis laws changed through updates to the Misuse of Drugs...

https://noon-wiki.win/index.php/How_Do_Repeat_Prescriptions_Work_for_Medical_Cannabis_in_the_UK%3F

Since 2018, UK cannabis laws changed through updates to the Misuse of Drugs Regulations 2001, not the 1971 Act. This allows specialist doctors to prescribe cannabis-based medicines like Sativex and Epidyolex under Schedule 2 rules