 "PostBus Switzerland Ltd", the national post company, has operated a DRT service called PubliCar, formerly also Casa Car.Under the existing UK bus operating regulations of 1986, some DRT schemes were operating, allowed by the fact they had a core start and finish point, and a published schedule.For England and Wales in 2004, the regulations concerning bus service registration and application of bus operating grants were amended, to allow registration of fully flexible pre-booked DRT services.