Take the driver's license of C 1/C2 as an example. In general, the interval between subject 2 and subject 3 is 10-20 days; After the success of subject 2 10, you can make an online appointment for the exam of subject 3, but it depends on the situation in different regions, mainly depending on the coach's equipment;
In many places, it is stipulated that subjects should be tested for 20 days after subject 1, and subjects should be tested for 3 10 days after subject 2.