How to identify the government license plate number?

Government license plate number identification method: 1, the government sector of the vehicle is usually white license plate, such as public security, armed police, the court; 2, the municipal party committee and the municipal government of the license plate is to start with 00, the letter is A, B, such as Nanjing municipal party committee secretary of the license plate is Su A00001, the mayor's license plate is Su A00002; 3, O start license plate is mainly the leadership of the authorities, the political and legal departments, the public security of internal license plate. The license plates beginning with O are mainly for leaders of organs, political and legal departments, and internal public security. License plate number is registered in the legal authorities to allow motor vehicles on the road legal signs, is the identification of the vehicle identity number, generally in the motor vehicle in a specific location to hang. License plate is in principle each prefecture-level administrative divisions occupy a licensing code, but each prefecture-level administrative divisions are divided into different districts, counties and cities and so on, in order to distinguish between the license plate, they have taken the way of different numbers.