Description of Reason Code IN
Invalid Card Number
Insights from Rules and Regulations
The card number provided by the merchant is not valid.
How to Win Reason Code IN
To respond, provide transaction documentation showing three things. One, that the card number is accurate and was not listed on the Negative File at the time that Downtime Authorization Services were used to obtain an Authorization Response for the card transaction. Two, the receipt of a positive Authorization Response. And three, the cardholder’s signature (if required).
Transaction Modifiers applicable to Reason Code IN