Legal analysis: the upper left of the account book is the account book code, and the account name is the account book number. The household registration code is the code of a person's household registration location, the code of the household registration location, and the first six digits of the ID card, in which the first two digits are provinces, three or four digits are cities, and five or six digits are counties or districts. According to the regulations on household registration management, citizens should fill in the location of household registration, and I should fill in the location of household registration management.

Legal basis: Regulations on Household Registration Management

Article 4 The household registration organ shall set up a household registration book. Cities, waters and towns with police stations shall issue household registration books to every household. Rural cooperatives issue household registration books as units; The household registration book is not issued to accounts outside the cooperative. The household register and the items registered in the household register have the effect of proving citizenship.

Article 5 Household registration shall be based on households. The person who lives with the supervisor is a household and the supervisor is the head of the household. An independent family, with me in charge. Households living in institutions, organizations, schools, enterprises, institutions and public dormitories * * * set up separate households or separate accounts. The head of household is responsible for reporting household registration in accordance with the provisions of these regulations.