The 'P' could stand for public or professional, although in this context I'd say 'public' is more fitting.
However, your 3rd party cover on your normal car insurance should cover anything that this would.
Track day organisers have public liability/indemnity insurance, in case an accident on the circuit involves an innocent member of the public - e.g. you crash, a wheel goes over the fence and hits a spectator.
However, your 3rd party cover on your normal car insurance should cover anything that this would.
Track day organisers have public liability/indemnity insurance, in case an accident on the circuit involves an innocent member of the public - e.g. you crash, a wheel goes over the fence and hits a spectator.