Which vehicles are obliged to have “safety shoes”?

1. Correct answer: Every motor vehicle with an all up weight of at least 5,000 kg, except for buses.
2. All commercial vehicles regardless of weigh, except for buses.
3. Every vehicle with an all up weight of up to 3,500 kg, except for buses.
4. Every vehicle with an all up weight of up to 4,000 kg, including buses.

WhyWheel chocks are required in every motor vehicle of 5,000 kg or more, except buses.