In 2018, the UK amended the Misuse of Drugs Regulations 2001—not the 1971...

https://www.hometalk.com/member/254237617/marion1488183

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