How many days is the validity period of the temporary license plate in Shanghai?

[Beatrice]

In Shanghai, the temporary license plate for use within the administrative region is valid for 15 days, while the temporary license plate for cross-administrative region use is valid for 30 days. Types of temporary license plates: There are a total of 4 types of temporary license plates for motor vehicles. The first type is the cross-administrative region temporary license plate, the second type is the administrative region temporary license plate, the third type is the temporary license plate for test vehicles, and the fourth type is the temporary license plate for special motor vehicles. Number of temporary license plates issued: For motor vehicles, you can apply for up to three temporary license plates at once. After the temporary license plates expire, you must complete the vehicle registration process. Otherwise, the vehicle will be considered as driving without proper documentation, which is illegal, and the driver will be committing an illegal act.