I am very grateful for the Minister’s remarks and I am hopeful that we can move forward on the issue in the way that he has described.

The reason that the definitions are drafted as they are in the amendment is, firstly, to ensure that they depend on the nature of the substances, rather than the legality or illegality of the substances concerned; and, secondly, so that they take into account possible future developments. We are always behind the curve when it comes to youth culture and what youths are doing.