Merchant Advice Error Codes
Learn about various response codes and categories for card authorization re-attempts.
Visa and Mastercard introduced new rules about handling re-attempts for declined transactions. Following these rules will help you to avoid additional fees and reduce the number of unsuccessful re-attempts. The appropriate rules apply for the error codes summarized in the following two categories:
| Error code | Category |
|---|---|
| COR.800.100.151 COR.800.100.152 COR.800.100.156 COR.800.100.159 COR.800.100.167 COR.800.100.171 COR.800.100.172 COR.800.100.177 | Category 1 - Do not retry** |
| COR.800.100.153 COR.800.100.157 COR.800.100.162 COR.800.100.168 COR.800.100.190 COR.800.100.500 COR.800.100.600 COR.800.100.650 | Category 2 - retry* max 10 times |
*Retry: A retry is a combination of merchant, amount, PAN, and expiry dates. A retry time span is a 30-day period starting from the first decline.
**Do not retry implies permanently.