In 2018, the UK amended the Misuse of Drugs Regulations 2001—not the Misuse of...

https://victoriasnewthoughts.scriblorax.com/posts/what-is-sativex-and-who-can-get-it-in-the-uk

In 2018, the UK amended the Misuse of Drugs Regulations 2001—not the Misuse of Drugs Act 1971—to allow specialist doctors to prescribe certain cannabis-based medicines, like Sativex and Epidyolex, under Schedule 2