 Where a round was contested in two parts, points were allocated on a 20–16–13–11–10–9–8–7–6–5–4–3–2–1 basis to the first 14 place-getters in each part and then aggregated.If more than one driver attained the same total, the superior round placing was awarded to the driver who was higher placed in the last part.Championship points were then awarded for the round.