UK cannabis law changed in 2018 through the Misuse of Drugs Regulations 2001,...
https://www.pure-bookmark.win/since-2018-uk-cannabis-laws-have-shifted-through-changes-to-the-misuse-of
UK cannabis law changed in 2018 through the Misuse of Drugs Regulations 2001, not the Misuse of Drugs Act 1971. This update allows specialist doctors to prescribe cannabis-based medicines like Sativex and Epidyolex under strict conditions