US Patent 8635131 System and method for managing a transaction protocol

The invention teaches a system and method for managing a transaction account using the BIN number included in a transaction account number. The transaction account number is provided to a transaction account issuer configured to retrieve the BIN number from the transaction account. A portion of the BIN number, called the BIN identifier, is retrieved by the transaction account issuer and used to locate a corresponding use or issuer-defined transaction processing protocol stored on the account issuer system. The account issuer may then process the transaction request in accordance with the protocol located.