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FAQ » History » Version 9

chin-yeh, 11/11/2011 09:57 AM

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h1. FAQ
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h2. General
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h3. How to simulate a CVV matched payment
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enter *999* in CVV field
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h3. How to simulate a declined payment
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* enter an amount less than *1.00*
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* enter a invalid credit card number
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h3. How NMI checks for duplicate transaction
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A transaction is treated as duplicate when:
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* submit same settlement amount using the same credit card within *20 minutes*
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h3. No order ID returned
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It happens when the result code is *3* or *300*
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h3. the card number did not display in the transaction report
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It only happens when the submitted card number is more than *19 digit*