A screen pops up in the Postal Savings Bank system to remind credit card whitelist customers that they only need to provide a copy of the applicant's ID card and proof of work. Optional materials: proof of financial resources and proof of concern about transactions with our bank. Materials required to apply for the master card: a copy of the applicant's ID card and work certificate are required. Optional materials: proof of financial resources and proof of concern about transactions with our bank. Supplementary card application: A copy of the ID card of the supplementary card applicant is required. The relationship between the supplementary card applicant and the main card must be immediate family members. The bank white list generally has two meanings. One is that you don't have a credit record, and your credit report is blank when the bank looks at it. It is also called a credit blank account. If you have a loan or credit card in the bank, it will be recorded in the credit report, so you are not a white household. Another layer means the list of high-quality customers who meet certain conditions. When general banks launch new products, they will invite white-listed customers to experience and enjoy more preferential treatment.