Which of the following defects on a vehicle's windscreen constitutes an automatic roadworthy failure under South African standards?

1. A small scratch outside the driver's line of vision.
2. Any crack, scratch, or chip that obstructs the driver's direct line of vision, or which is located in the swept area of the windscreen wipers.
3. A sticker displaying the vehicle's valid license disc.
4. A light tint that complies with legal light transmission limits.