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To ensure that the original transaction is located, the TransactionId value returned on the cmpi_lookup response should be used on the request message. If, for some reason, the TransactionId isn't available, the transaction can be located through the use of the other data elements. In this case, all the other data elements (Amount, CurrencyCode, CardNumber) must match with the transaction occurring between the FromDt and ToDt values.
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Either the TransactionId or the data elements (Amount, CurrencyCode, CardNumber, FromDt, ToDt) must be used to process the transaction. |
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