PROBLEM TO BE SOLVED: To provide a financial institution cooperation system and method, a tie-up financial institution system, a securities company system, and a program thereof, capable of reducing customer's time and effort at when an additional deposit is required for a credit transaction.;SOLUTION: With a financial institution cooperation system 10, when an additional deposit is required for a customer conducting a credit transaction, a securities company system 20 sends a required amount of the additional deposit to a banking system 50. The banking system 50 uses the required amount of the additional deposit to select and terminate at least one term deposit before maturity from among term deposits stored in a term deposit account DB 60. The additional deposit acquired by this termination is sent from the banking system 50 to the securities company system 20. Thereby, a payment to a multi-purpose securities account in a multi-purpose securities account DB 40 is conducted.;COPYRIGHT: (C)2012,JPO&INPIT
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