Refers to the last four digits of the applicant's account number to be filled in when applying for a certain business.

The household registration number is important information on China citizen's ID card, which is used to identify personal identity and residence. When handling bank cards, purchasing tickets, applying for government subsidies and other businesses involving personal identity and household registration. , you need to fill in the last four digits of the applicant's household registration number as the basis for identity verification and information verification.