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21st
On the one hand, the member financial institutions are fierce competitors: they — not Visa — issue the cards, which means they are constantly going after each other’s customers. On the other hand, the members also have to cooperate with each other: for the system to work, participating merchants must be able to take any Visa card issued by any bank, anywhere.
That means that the banks abide by certain standards on issues such as card layout. Even more important, they participate in a common clearinghouse operation, the system that reconciles all the accounts and makes sure merchants get paid for each purchase, the transactions are cleared between banks, and customers get billed.
That means that the banks abide by certain standards on issues such as card layout. Even more important, they participate in a common clearinghouse operation, the system that reconciles all the accounts and makes sure merchants get paid for each purchase, the transactions are cleared between banks, and customers get billed.
