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

https://penzu.com/p/482c8cf772ba903b

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