(1) The credit card BIN refers to the identification number of the issuing bank, which is called Bank Identification Number in English and abbreviated as BIN. \x0d\\x0d\② The first six digits of the bank card number are usually used to indicate the issuing bank or institution, that is, the issuing bank identification code. According to the ISO/IEC78 12 document, the 9-prefix BIN number is designated by domestic standards organizations and is not suitable for global use. At the end of June, 2002, 5438+ 10, China UnionPay applied to ISO for 800 6-prefix BIN numbers, which are used internationally and domestically. \ x0d \ x0d \ ③ UnionPay standard card is a bank card issued in accordance with the business and technical standards of China UnionPay, with a unique "UnionPay" logo on the card face, which is assigned by China UnionPay to confirm the issuer's identification code (BIN). At present, all UnionPay standard cards BIN issued by China UnionPay member institutions have the prefix "62". \x0d\\x0d\④ In addition, some member institutions use bank cards issued by BIN, which are independently applied to the International Organization for Standardization (ISO) and have a unique "UnionPay" logo on the card face. After testing, it meets the business and technical standards of China UnionPay. After signing an agreement with China UnionPay, it is also included in the management of UnionPay standard cards.