| 摘要 |
Placement of a hold amount against a payment card account of a customer is facilitated, in response to the customer presenting a payment device, associated with the payment card account, in connection with a non-PIN, signature-based, dual-message transaction with a merchant. The presenting of the payment device is prior to a time when an amount of the transaction can be determined. Subsequent to the placement of the hold amount, immediately after the time when the amount of the transaction can be determined, transmission of an authorization advice message from an acquirer associated with the merchant to an issuer of the payment device is facilitated. The authorization advice message indicates the amount of the transaction. A further step includes facilitating the issuer of the payment device releasing any portion of the hold amount which exceeds the amount of the transaction, immediately responsive to the authorization advice message.
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