But sharing with the venue means that the artist is taking a higher cut of the ticket than you'd expect. I read once that some parts of the US have laws requir

But sharing with the venue means that the artist is taking a higher cut of the ticket than you'd expect. I read once that some parts of the US have laws requiring X% of the ticket price to go to the performer and that Ticketmaster fees were partly designed to allow the venue to charge its venue hire fees at a higher percentage than is allowed by these laws. Any truth to that?