China PICC Insurance Law.

PICC's insurance policy number generally consists of 18 digits and four letters, and each part has its specific meaning:

The first letter P stands for PICC, which is the abbreviation of PICC in China.

The second to fourth letters DAA are the insurance codes of PICC commercial auto insurance; The insurance regulations of DZB are compulsory insurance;

The fifth to eighth digits represent the year;

Then the ninth to twelfth digits are the organization codes given to billing institutions in PICC, the first two digits are provincial codes, and the last two digits are city codes;

After the twelfth place is the serial number of the insurance policy.

In addition, there are twelve PICC policies with T in the future, which stands for telephone policy; There is an insurance policy with a D, which means to insure the network.

Further reading: How to buy insurance, which is good, and teach you how to avoid these "pits" of insurance.