B2 After the internship period of driver's license expires, you must go to the place where the driver's license is issued to take the full mark study exam, and affix the adoption stamp on the copy. B2 After the expiration of the internship, the driver's license needs to go to the place where the driver's license is issued within 30 days, take the knowledge test on road traffic safety laws and regulations, traffic safety and civilized driving, emergency treatment, and receive at least half an hour of warning education on traffic accident cases.
B2 driver's license introduction:
The vehicles that can be driven with B2 driver's license are heavy and medium-sized trucks or large, heavy and medium-sized special operation vehicles. Most heavy and medium trucks are mainly trucks. For example, the big trucks we often see on the road are heavy trucks. Large, medium and heavy special operation vehicles refer to vehicles equipped with special equipment or appliances such as sprinklers, concrete mixers and fire engines.
Refer to the above? Baidu Encyclopedia -B2 Driver's License