plan 7 og 8 eller kanten af forrudens yderside, hvis skæringspunktet for plan 6 med plan 7 (eller plan 6 med plan 8) ikke krydser forrudens yderside.
With planes 7 and 8 or the edge of the outer surface of the windscreen if the intersection of plane 6 with plane 7 (plane 6 with plane 8) doesn't cross the outer surface of the windscreen;