In 2018, UK cannabis law changed through the Misuse of Drugs Regulations 2001,...

https://www.kilobookmarks.win/in-2018-uk-cannabis-law-saw-a-key-change-not-to-the-misuse-of-drugs-act-1971

In 2018, UK cannabis law changed through the Misuse of Drugs Regulations 2001, not the 1971 Act, allowing specialist doctors to prescribe cannabis-based medicines like Sativex and Epidyolex