The situation isn’t much better in the UK; there are so many legal grey areas surrounding cannabis in hemp and CBD form that nobody knows the full extent of the law today. CBD oil is completely legal in the UK, but there is apparent illegality surrounding the possession of hemp flowers. This article is a good read for looking at cannabis laws (including hemp and CBD) in the UK
So. According to the Controlled Substance Act definition itself, certain parts of the cannabis plant are clearly illegal, while others fall into a grayer area. One of these – for the most part – is CBD extracted from the “legal” parts of the cannabis plant, and non-marijuana industrial hemp plants, which, as defined by Section 7606 of the Farm Bill are cannabis plants with less than 0.3 percent THC.