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

https://www.bookmarking-fox.win/uk-cannabis-law-changed-in-2018-through-the-misuse-of-drugs-regulations-2001

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