What is the license plate installed on the container and what is its use?

Usually, a license plate is issued for the containers that are used in the shipping line. The serial number of the container, the year of making the container, the manufacturing company, the ordering country, and the user of the container, and the safety approvals, including the weight of the container, the cargo capacity that the container can hold, and the amount of cargo that can be placed inside the container. In a way, this license plate is considered as the chassis number of the container. Having license plates is one of the requirements according to international transportation laws. If the container does not have a license plate, the container is considered illegal. And according to international transportation rules, it is invalid. When buying a container, it should be noted that the container has a valid license plate and the serial number on the license plate matches the numbers on the container bodies.