The FIA has made alterations to the 2011 Sporting Regulations with a clamp down on driving standards.
20.1 The driver must drive the car alone and unaided.
20.2 Manoeuvres liable to hinder other drivers, such as more than one change of direction to defend a position, deliberate crowding of a car beyond the edge of the track or any other abnormal change of direction, are not permitted.
20.3 Drivers must use the track at all times. For the avoidance of doubt the white lines defining the track edges are considered to be part of the track but the kerbs are not. A driver will be judged to have left the track if no part of the car remains in contact with the track. Should a car leave the track for any reason the driver may rejoin. However, this may only be done when it is safe to do so and without gaining any advantage.
20.4 As soon as a car is caught by another car which is about to lap it during the race the driver must allow the faster driver past at the first available opportunity. If the driver who has been caught does not allow the faster driver past, waved blue flags will be shown to indicate that he must allow the following driver to overtake.
Any driver who is deemed to be ignoring the waved blue flags will be reported to the stewards of the meeting.
courtesy of www.fia.com