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1. The bank number is the unique identifier of the bank in the region. It usually consists of 12 digits, including 3 bank codes, 4 municipal codes, 4 bank codes, and 1 check number.
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? 2. The electronic banking number consists of 6 digits and is used for cross-regional bank settlement and fund settlement. The electronic link number and the electronic link system as well as Earth and earth docking have been cancelled and are no longer in use. Payment System Line Number is being used.