FAQ » History » Revision 4
Revision 3 (chin-yeh, 10/13/2011 11:16 AM) → Revision 4/13 (chin-yeh, 10/13/2011 11:16 AM)
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h1. FAQ
h2. General
h3. How to simulate a CVV matched payment
enter *999* in CVV field
h3. How to simulate a declined payment
* enter an amount less than *1.00*
* enter a invalid credit card number
h3. How do NMI checks for duplicate transaction
A transaction is categorized as duplicate when:
* submit same amount & same credit card within *20 minutes* 20 minutes