The issue of teams using 'customer cars', that is cars obtained from other teams, surfaced before the race when Spyker protested the Scuderia Toro Rosso (STR) team's use of cars they claimed had been designed by STR's sister team, Red Bull Racing. The Concorde Agreement, which dictates the terms by which the teams compete in the Formula One world championship, requires teams to design their own cars. The Malaysian stewards rejected the protest, with the Fédération Internationale de l'Automobile (FIA, the sport's governing body) stating that "it would be entirely inappropriate for the Stewards to involve themselves in a matter being dealt with at the instigation and election of the Protestor, Spyker". Red Bull threatened legal action over Spyker's possession of their car designs to use as evidence against STR, but nothing materialised. The FIA did not investigate how Spyker obtained Red Bull's car designs.