In return for his statement , Piquet was given immunity by the FIA . On 4 September 2009 Renault F1 was charged with conspiracy and race fixing .
In return for his evidence , Piquet Jr. was given immunity by the FIA , and on 4 September 2009 Renault F1 were charged with conspiracy and race fixing , and were due to face the FIA World Motor Sport Council in Paris on 21 September 2009 .