In 2018, UK cannabis law was updated through the Misuse of Drugs Regulations...

https://www.deltabookmarks.win/uk-cannabis-laws-often-cause-confusion-especially-after-the-2018-update-to-the

In 2018, UK cannabis law was updated through the Misuse of Drugs Regulations 2001, not the Misuse of Drugs Act 1971. This change allows specialist doctors to prescribe cannabis-based medicines like Sativex and Epidyolex under Schedule 2 rules