Without wishing to introduce too many references to dentistry, I also want to get my teeth into something and ask the Under-Secretary to do likewise. The underlying purpose of the Bill is to encourage certainty, consistency and predictability. How does she balance customer benefits, about which the clause goes into admirable detail, with substantial lessening of competition, to which the key clause 20 refers? How can the uncertainty that will be brought about possibly be in keeping with the raison d'être of the Bill?