New rules meant that cars had to complete 90% of the race distance to be classified and eligible for points, meaning that whilst Guy Ligier and Jo Bonnier were still racing, they were considered far enough behind to have actually retired.
As novas regras significaban que os coches tiñan que completar o 90% da distancia da carreira para ser clasificados e optar aos puntos, o que significou que, aínda que Guy Ligier e Jo Bonnier seguían correndo, consideráronse o suficientemente atrasados como para retiralos.