When is it permitted to overtake, in one go, two vehicle that are driving before you on your lane

1. Only on highways.
2. Correct answer: When overtaking is not prohibited, and when the overtaking can be safely completed.
3. This type of overtaking is absolutely prohibited by law.
4. Only when overtaking two private passenger cars.

WhyYou may overtake two vehicles at once if overtaking isn't prohibited here and you can do it safely. There is no special ban on it.